<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019e4bde-7058-717c-abb7-ff2ba2b0f12c,g:372ac12a-d1a6-401d-b3c0-4cff95a883be-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/CondensedConsolidatedStatementsofComprehensiveIncome" xlink:type="simple" xlink:href="spb-20260628.xsd#CondensedConsolidatedStatementsofComprehensiveIncome"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/CondensedConsolidatedStatementsofComprehensiveIncome" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019e4bde-732b-7017-8694-568dff526539" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019e4bde-732b-7862-8369-569a4e903fcf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019e4bde-732b-7017-8694-568dff526539" xlink:to="loc_us-gaap_StatementTable_019e4bde-732b-7862-8369-569a4e903fcf" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_019e4bde-732b-7787-97fa-f84a956a4414" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOperatingActivitiesSegmentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019e4bde-732b-7862-8369-569a4e903fcf" xlink:to="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_019e4bde-732b-7787-97fa-f84a956a4414" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentOperatingActivitiesDomain_019e4bde-732b-7787-97fa-f84a956a4414_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentOperatingActivitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_019e4bde-732b-7787-97fa-f84a956a4414" xlink:to="loc_us-gaap_SegmentOperatingActivitiesDomain_019e4bde-732b-7787-97fa-f84a956a4414_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentOperatingActivitiesDomain_019e4bde-732b-7f7e-89ea-8eda2740df88" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentOperatingActivitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_019e4bde-732b-7787-97fa-f84a956a4414" xlink:to="loc_us-gaap_SegmentOperatingActivitiesDomain_019e4bde-732b-7f7e-89ea-8eda2740df88" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentContinuingOperationsMember_019e4bde-732b-7228-a7d7-dfa87a7ad1a9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentContinuingOperationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentOperatingActivitiesDomain_019e4bde-732b-7f7e-89ea-8eda2740df88" xlink:to="loc_us-gaap_SegmentContinuingOperationsMember_019e4bde-732b-7228-a7d7-dfa87a7ad1a9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019e4bde-732b-7906-9826-32670e21e5e5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e4bde-732b-7017-8694-568dff526539" xlink:to="loc_us-gaap_ProfitLoss_019e4bde-732b-7906-9826-32670e21e5e5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019e4bde-732b-7a9a-849a-6b9935c0fe02" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e4bde-732b-7017-8694-568dff526539" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019e4bde-732b-7a9a-849a-6b9935c0fe02" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPeriodIncreaseDecreaseAbstract_019e4bde-732b-7fe3-a5c1-0faf3b2cdfc3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPeriodIncreaseDecreaseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019e4bde-732b-7a9a-849a-6b9935c0fe02" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPeriodIncreaseDecreaseAbstract_019e4bde-732b-7fe3-a5c1-0faf3b2cdfc3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax_019e4bde-732b-71ee-858e-b38e466155e7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPeriodIncreaseDecreaseAbstract_019e4bde-732b-7fe3-a5c1-0faf3b2cdfc3" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax_019e4bde-732b-71ee-858e-b38e466155e7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_019e4bde-732b-7330-a4fc-f325d8aca9c7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPeriodIncreaseDecreaseAbstract_019e4bde-732b-7fe3-a5c1-0faf3b2cdfc3" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_019e4bde-732b-7330-a4fc-f325d8aca9c7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019e4bde-732b-7623-b0cc-ccd32b38ca67" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPeriodIncreaseDecreaseAbstract_019e4bde-732b-7fe3-a5c1-0faf3b2cdfc3" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019e4bde-732b-7623-b0cc-ccd32b38ca67" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_019e4bde-732b-7ed5-ad34-1caf5fd4ef6b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019e4bde-732b-7a9a-849a-6b9935c0fe02" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_019e4bde-732b-7ed5-ad34-1caf5fd4ef6b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_019e4bde-732b-7e35-9cba-99b14d637d9d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_019e4bde-732b-7ed5-ad34-1caf5fd4ef6b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_019e4bde-732b-7e35-9cba-99b14d637d9d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_019e4bde-732b-7c73-986f-d8fe4d19ddce" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_019e4bde-732b-7ed5-ad34-1caf5fd4ef6b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_019e4bde-732b-7c73-986f-d8fe4d19ddce" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax_019e4bde-732b-760a-a9de-07e24020a60c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_019e4bde-732b-7ed5-ad34-1caf5fd4ef6b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax_019e4bde-732b-760a-a9de-07e24020a60c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax_019e4bde-732b-72e7-8eb4-0e7c8ce38fbe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_019e4bde-732b-7ed5-ad34-1caf5fd4ef6b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax_019e4bde-732b-72e7-8eb4-0e7c8ce38fbe" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_019e4bde-732b-7b63-83b2-df0997f37459" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_019e4bde-732b-7ed5-ad34-1caf5fd4ef6b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_019e4bde-732b-7b63-83b2-df0997f37459" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParentAbstract_019e4bde-732b-7404-accc-6b46173ecc8f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019e4bde-732b-7a9a-849a-6b9935c0fe02" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParentAbstract_019e4bde-732b-7404-accc-6b46173ecc8f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax_019e4bde-732b-789f-b472-ce279f8416e6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParentAbstract_019e4bde-732b-7404-accc-6b46173ecc8f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax_019e4bde-732b-789f-b472-ce279f8416e6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_019e4bde-732b-7314-aac2-65829b4970f9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParentAbstract_019e4bde-732b-7404-accc-6b46173ecc8f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_019e4bde-732b-7314-aac2-65829b4970f9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_019e4bde-732b-75e5-aed4-31738e0daab2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParentAbstract_019e4bde-732b-7404-accc-6b46173ecc8f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_019e4bde-732b-75e5-aed4-31738e0daab2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_019e4bde-732b-7768-959c-5347e2c3a045" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParentAbstract_019e4bde-732b-7404-accc-6b46173ecc8f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_019e4bde-732b-7768-959c-5347e2c3a045" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_019e4bde-732b-7ae4-a171-68590a404d5a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParentAbstract_019e4bde-732b-7404-accc-6b46173ecc8f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_019e4bde-732b-7ae4-a171-68590a404d5a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019e4bde-732b-75d4-bfc7-8861b0e17fea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e4bde-732b-7017-8694-568dff526539" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019e4bde-732b-75d4-bfc7-8861b0e17fea" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestContinuingOperations_019e4bde-732b-70c3-ab20-5a5528efdbf5" xlink:href="spb-20260628.xsd#spb_ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestContinuingOperations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e4bde-732b-7017-8694-568dff526539" xlink:to="loc_spb_ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestContinuingOperations_019e4bde-732b-70c3-ab20-5a5528efdbf5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_019e4bde-732b-73a9-9f12-87d368a26529" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e4bde-732b-7017-8694-568dff526539" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_019e4bde-732b-73a9-9f12-87d368a26529" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/CondensedConsolidatedStatementsofShareholdersEquity" xlink:type="simple" xlink:href="spb-20260628.xsd#CondensedConsolidatedStatementsofShareholdersEquity"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/CondensedConsolidatedStatementsofShareholdersEquity" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019e4bde-732b-711e-bdae-ee2080713247" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019e4bde-732b-7b68-9649-639e81b6eddc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019e4bde-732b-711e-bdae-ee2080713247" xlink:to="loc_us-gaap_StatementTable_019e4bde-732b-7b68-9649-639e81b6eddc" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019e4bde-732b-7a63-8951-41b1f6e2448c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019e4bde-732b-7b68-9649-639e81b6eddc" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019e4bde-732b-7a63-8951-41b1f6e2448c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e4bde-732b-7a63-8951-41b1f6e2448c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e4bde-732b-7a63-8951-41b1f6e2448c" xlink:to="loc_us-gaap_EquityComponentDomain_019e4bde-732b-7a63-8951-41b1f6e2448c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e4bde-732b-77c5-9007-0b7b30c88684" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e4bde-732b-7a63-8951-41b1f6e2448c" xlink:to="loc_us-gaap_EquityComponentDomain_019e4bde-732b-77c5-9007-0b7b30c88684" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ParentMember_019e4bde-732b-70ff-ba9a-ffa44d522271" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e4bde-732b-77c5-9007-0b7b30c88684" xlink:to="loc_us-gaap_ParentMember_019e4bde-732b-70ff-ba9a-ffa44d522271" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_019e4bde-732b-7f86-9389-b732f93c17f2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_019e4bde-732b-70ff-ba9a-ffa44d522271" xlink:to="loc_us-gaap_CommonStockMember_019e4bde-732b-7f86-9389-b732f93c17f2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_019e4bde-732b-7b4b-8896-3973f316c367" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_019e4bde-732b-70ff-ba9a-ffa44d522271" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_019e4bde-732b-7b4b-8896-3973f316c367" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_019e4bde-732b-7694-add6-c0018282b883" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_019e4bde-732b-70ff-ba9a-ffa44d522271" xlink:to="loc_us-gaap_RetainedEarningsMember_019e4bde-732b-7694-add6-c0018282b883" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e4bde-732b-7ae5-b1f3-1fc696f967d7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_019e4bde-732b-70ff-ba9a-ffa44d522271" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e4bde-732b-7ae5-b1f3-1fc696f967d7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_019e4bde-732b-7658-9b13-c46aac6491f6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_019e4bde-732b-70ff-ba9a-ffa44d522271" xlink:to="loc_us-gaap_TreasuryStockCommonMember_019e4bde-732b-7658-9b13-c46aac6491f6" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_019e4bde-732b-7803-b281-2c024e0883a8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e4bde-732b-77c5-9007-0b7b30c88684" xlink:to="loc_us-gaap_NoncontrollingInterestMember_019e4bde-732b-7803-b281-2c024e0883a8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e4bde-732b-7e17-a321-9cab0fae7b2d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e4bde-732b-711e-bdae-ee2080713247" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e4bde-732b-7e17-a321-9cab0fae7b2d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_019e4bde-732b-70e8-8bd3-060bfe71ea89" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e4bde-732b-7e17-a321-9cab0fae7b2d" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_019e4bde-732b-70e8-8bd3-060bfe71ea89" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019e4bde-732b-78f3-82d6-ef39b593b151" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e4bde-732b-7e17-a321-9cab0fae7b2d" xlink:to="loc_us-gaap_StockholdersEquity_019e4bde-732b-78f3-82d6-ef39b593b151" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019f6a14-3243-7027-8291-39f0f97d61d0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e4bde-732b-7e17-a321-9cab0fae7b2d" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019f6a14-3243-7027-8291-39f0f97d61d0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_019e4bde-732b-725f-b5ac-e139bc12272c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e4bde-732b-7e17-a321-9cab0fae7b2d" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_019e4bde-732b-725f-b5ac-e139bc12272c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019f6a13-c0b6-7fbd-92c8-c9e19012b4b0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e4bde-732b-7e17-a321-9cab0fae7b2d" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019f6a13-c0b6-7fbd-92c8-c9e19012b4b0" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_019e4bde-732b-7732-96cc-3101e43572bf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e4bde-732b-7e17-a321-9cab0fae7b2d" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_019e4bde-732b-7732-96cc-3101e43572bf" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_019f6a13-c0b6-7d77-964c-4b35c21fb327" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e4bde-732b-7e17-a321-9cab0fae7b2d" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_019f6a13-c0b6-7d77-964c-4b35c21fb327" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019e4bde-732b-7709-8a87-330932ed2e94" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e4bde-732b-7e17-a321-9cab0fae7b2d" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019e4bde-732b-7709-8a87-330932ed2e94" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_019e4bde-732b-7dcd-980e-75a28e54fcb9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockSharesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e4bde-732b-7e17-a321-9cab0fae7b2d" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_019e4bde-732b-7dcd-980e-75a28e54fcb9" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_019e4bde-732b-71fd-b9c0-7096be9d8aee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e4bde-732b-7e17-a321-9cab0fae7b2d" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_019e4bde-732b-71fd-b9c0-7096be9d8aee" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_TreasuryStockValueAcquiredCostMethodExciseTax_019e4bde-732b-756b-b047-b1da16b111de" xlink:href="spb-20260628.xsd#spb_TreasuryStockValueAcquiredCostMethodExciseTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e4bde-732b-7e17-a321-9cab0fae7b2d" xlink:to="loc_spb_TreasuryStockValueAcquiredCostMethodExciseTax_019e4bde-732b-756b-b047-b1da16b111de" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_019e4bde-732b-74a8-a6e1-0d3db1582235" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e4bde-732b-7e17-a321-9cab0fae7b2d" xlink:to="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_019e4bde-732b-74a8-a6e1-0d3db1582235" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockValueSharesIssuedNetOfTaxWithholdings_019e4bde-732b-7007-996d-2cd304a2f0cf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedStockValueSharesIssuedNetOfTaxWithholdings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e4bde-732b-7e17-a321-9cab0fae7b2d" xlink:to="loc_us-gaap_RestrictedStockValueSharesIssuedNetOfTaxWithholdings_019e4bde-732b-7007-996d-2cd304a2f0cf" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_APICShareBasedPaymentArrangementDecreaseForConversionOfEquityAwards_019f69d7-2e09-7aff-a4d0-ac8a2789627f" xlink:href="spb-20260628.xsd#spb_APICShareBasedPaymentArrangementDecreaseForConversionOfEquityAwards"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e4bde-732b-7e17-a321-9cab0fae7b2d" xlink:to="loc_spb_APICShareBasedPaymentArrangementDecreaseForConversionOfEquityAwards_019f69d7-2e09-7aff-a4d0-ac8a2789627f" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019e4bde-732b-7d33-94d9-82972ab584f8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e4bde-732b-7e17-a321-9cab0fae7b2d" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019e4bde-732b-7d33-94d9-82972ab584f8" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStock_019e4bde-732b-7d9c-ba8c-fd69e8b777ff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DividendsCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e4bde-732b-7e17-a321-9cab0fae7b2d" xlink:to="loc_us-gaap_DividendsCommonStock_019e4bde-732b-7d9c-ba8c-fd69e8b777ff" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_019f6a16-3837-7f46-be00-ad13c40fc8d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e4bde-732b-7e17-a321-9cab0fae7b2d" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_019f6a16-3837-7f46-be00-ad13c40fc8d8" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_019e4bde-732b-7784-bc11-6507b9b1589a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019e4bde-732b-7060-86ce-8f21d0281c49" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019f6a13-c0b6-7e15-b4dc-1cab02050c24" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/CondensedConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="spb-20260628.xsd#CondensedConsolidatedStatementsofCashFlows"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/CondensedConsolidatedStatementsofCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019e4bde-732b-783a-9e71-af10c3951483" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019e4bde-732b-7d72-811c-d92f50f3e8fb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019e4bde-732b-783a-9e71-af10c3951483" xlink:to="loc_us-gaap_StatementTable_019e4bde-732b-7d72-811c-d92f50f3e8fb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_019e4bde-732b-78cc-8c60-cf63248145be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOperatingActivitiesSegmentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019e4bde-732b-7d72-811c-d92f50f3e8fb" xlink:to="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_019e4bde-732b-78cc-8c60-cf63248145be" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentOperatingActivitiesDomain_019e4bde-732b-78cc-8c60-cf63248145be_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentOperatingActivitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_019e4bde-732b-78cc-8c60-cf63248145be" xlink:to="loc_us-gaap_SegmentOperatingActivitiesDomain_019e4bde-732b-78cc-8c60-cf63248145be_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentOperatingActivitiesDomain_019e4bde-732b-7d53-99c0-33fe460ef9bc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentOperatingActivitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_019e4bde-732b-78cc-8c60-cf63248145be" xlink:to="loc_us-gaap_SegmentOperatingActivitiesDomain_019e4bde-732b-7d53-99c0-33fe460ef9bc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentContinuingOperationsMember_019e4bde-732b-7bf2-bfdb-6f3bc34db87b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentContinuingOperationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentOperatingActivitiesDomain_019e4bde-732b-7d53-99c0-33fe460ef9bc" xlink:to="loc_us-gaap_SegmentContinuingOperationsMember_019e4bde-732b-7bf2-bfdb-6f3bc34db87b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDiscontinuedOperationsMember_019e4bde-732b-7286-8e8b-78e35f4b5023" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDiscontinuedOperationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentOperatingActivitiesDomain_019e4bde-732b-7d53-99c0-33fe460ef9bc" xlink:to="loc_us-gaap_SegmentDiscontinuedOperationsMember_019e4bde-732b-7286-8e8b-78e35f4b5023" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-7c61-924f-7853bd9d25ac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e4bde-732b-783a-9e71-af10c3951483" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-7c61-924f-7853bd9d25ac" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019e4bde-732b-7916-8fc6-7ba4fa8beefe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-7c61-924f-7853bd9d25ac" xlink:to="loc_us-gaap_ProfitLoss_019e4bde-732b-7916-8fc6-7ba4fa8beefe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_019e4bde-732b-79b8-bbfc-22c5d73f42ab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-7c61-924f-7853bd9d25ac" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_019e4bde-732b-79b8-bbfc-22c5d73f42ab" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019e4bde-732b-7d6e-a568-6e430ad7ca57" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-7c61-924f-7853bd9d25ac" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019e4bde-732b-7d6e-a568-6e430ad7ca57" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-778a-a365-705fca77c093" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-7c61-924f-7853bd9d25ac" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-778a-a365-705fca77c093" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_019e4bde-732b-7c2e-b526-65bfa30a1861" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Depreciation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-778a-a365-705fca77c093" xlink:to="loc_us-gaap_Depreciation_019e4bde-732b-7c2e-b526-65bfa30a1861" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_019e4bde-732b-70a1-82f1-335a2112192a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-778a-a365-705fca77c093" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_019e4bde-732b-70a1-82f1-335a2112192a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_019e4bde-732b-79cb-ac70-900fccb11183" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-778a-a365-705fca77c093" xlink:to="loc_us-gaap_ShareBasedCompensation_019e4bde-732b-79cb-ac70-900fccb11183" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill_019e4bde-732b-7e38-8c17-61f8e28d52a9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-778a-a365-705fca77c093" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill_019e4bde-732b-7e38-8c17-61f8e28d52a9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_ImpairmentLongLivedAssetHeldForUseAndOperatingLeaseImpairmentLoss_019e4bde-732b-7931-b8dd-216b8f4655bd" xlink:href="spb-20260628.xsd#spb_ImpairmentLongLivedAssetHeldForUseAndOperatingLeaseImpairmentLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-778a-a365-705fca77c093" xlink:to="loc_spb_ImpairmentLongLivedAssetHeldForUseAndOperatingLeaseImpairmentLoss_019e4bde-732b-7931-b8dd-216b8f4655bd" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_019e4bde-732b-7f3d-96d9-94235620cf82" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-778a-a365-705fca77c093" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_019e4bde-732b-7f3d-96d9-94235620cf82" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_NoncashTariffRefundAccrual_019f69e8-991a-7507-bd3f-ccf43849e028" xlink:href="spb-20260628.xsd#spb_NoncashTariffRefundAccrual"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-778a-a365-705fca77c093" xlink:to="loc_spb_NoncashTariffRefundAccrual_019f69e8-991a-7507-bd3f-ccf43849e028" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019e4bde-732b-77f0-beec-632b01edac0e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-778a-a365-705fca77c093" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019e4bde-732b-77f0-beec-632b01edac0e" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapital_019e4bde-732b-7ff6-8797-51a5a3b82697" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOperatingCapital"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-778a-a365-705fca77c093" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapital_019e4bde-732b-7ff6-8797-51a5a3b82697" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019e4bde-732b-7364-ab08-9fb9d258a92a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-7c61-924f-7853bd9d25ac" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019e4bde-732b-7364-ab08-9fb9d258a92a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_019e4bde-732b-71a5-a7f2-70e60b55c980" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-7c61-924f-7853bd9d25ac" xlink:to="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_019e4bde-732b-71a5-a7f2-70e60b55c980" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e4bde-732b-7a91-95c0-fd26079229b4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019e4bde-732b-7c61-924f-7853bd9d25ac" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e4bde-732b-7a91-95c0-fd26079229b4" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019e4bde-732b-7b31-ba62-da2ff744f137" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e4bde-732b-783a-9e71-af10c3951483" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019e4bde-732b-7b31-ba62-da2ff744f137" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_019e4bde-732b-71b6-9744-4719e6d01aaf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019e4bde-732b-7b31-ba62-da2ff744f137" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_019e4bde-732b-71b6-9744-4719e6d01aaf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_019e4bde-732b-78ca-8e26-02aaeeb78b4d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019e4bde-732b-7b31-ba62-da2ff744f137" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_019e4bde-732b-78ca-8e26-02aaeeb78b4d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e4bde-732b-734b-a15e-163500e92484" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019e4bde-732b-7b31-ba62-da2ff744f137" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e4bde-732b-734b-a15e-163500e92484" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019e4bde-732b-7930-a199-69346add3838" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e4bde-732b-783a-9e71-af10c3951483" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019e4bde-732b-7930-a199-69346add3838" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_019e4bde-732b-73f6-b2db-4f98f7a26b16" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019e4bde-732b-7930-a199-69346add3838" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_019e4bde-732b-73f6-b2db-4f98f7a26b16" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_019e4bde-732b-7ce0-a67e-967c1fc2bb08" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019e4bde-732b-7930-a199-69346add3838" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_019e4bde-732b-7ce0-a67e-967c1fc2bb08" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_019e4bde-732b-7a1c-9622-43f5a2be7b83" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019e4bde-732b-7930-a199-69346add3838" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_019e4bde-732b-7a1c-9622-43f5a2be7b83" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock_019e6c63-0e95-7225-9ba3-d8001823c550" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019e4bde-732b-7930-a199-69346add3838" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock_019e6c63-0e95-7225-9ba3-d8001823c550" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfStockIssuanceCosts_019f2735-6acd-7e30-9e00-20d82e7b3e21" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfStockIssuanceCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019e4bde-732b-7930-a199-69346add3838" xlink:to="loc_us-gaap_PaymentsOfStockIssuanceCosts_019f2735-6acd-7e30-9e00-20d82e7b3e21" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_019e4bde-732b-7f11-b6bc-1d525acc997c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019e4bde-732b-7930-a199-69346add3838" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_019e4bde-732b-7f11-b6bc-1d525acc997c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsMinorityInterest_019e4bde-732b-7650-9830-6f7da94d26f9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDividendsMinorityInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019e4bde-732b-7930-a199-69346add3838" xlink:to="loc_us-gaap_PaymentsOfDividendsMinorityInterest_019e4bde-732b-7650-9830-6f7da94d26f9" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019e4bde-732b-7dd3-ac4c-08d3b6a06eb5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019e4bde-732b-7930-a199-69346add3838" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019e4bde-732b-7dd3-ac4c-08d3b6a06eb5" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_PaymentsForExciseTaxes_019e4bde-732b-7e5c-93a5-5098e370c42e" xlink:href="spb-20260628.xsd#spb_PaymentsForExciseTaxes"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019e4bde-732b-7930-a199-69346add3838" xlink:to="loc_spb_PaymentsForExciseTaxes_019e4bde-732b-7e5c-93a5-5098e370c42e" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_019e4bde-732b-7d61-975e-19f950349909" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019e4bde-732b-7930-a199-69346add3838" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_019e4bde-732b-7d61-975e-19f950349909" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_019e4bde-732b-7cab-8c9b-2be20e35bf2f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019e4bde-732b-7930-a199-69346add3838" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_019e4bde-732b-7cab-8c9b-2be20e35bf2f" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e4bde-732b-758b-9356-c0c34205f632" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019e4bde-732b-7930-a199-69346add3838" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e4bde-732b-758b-9356-c0c34205f632" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019e4bde-732b-724c-8c88-1bea6076e6eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e4bde-732b-783a-9e71-af10c3951483" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019e4bde-732b-724c-8c88-1bea6076e6eb" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019e4bde-732b-7e2b-8d8b-a7fb4bb7cfcf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e4bde-732b-783a-9e71-af10c3951483" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019e4bde-732b-7e2b-8d8b-a7fb4bb7cfcf" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019e4bde-732b-7f22-af71-fded64075c44" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e4bde-732b-783a-9e71-af10c3951483" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019e4bde-732b-7f22-af71-fded64075c44" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019e4bde-732b-7898-84ab-695b2ead18a8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_019e4bde-732b-7fe2-9256-8ba927147793" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SupplementalCashFlowInformationAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e4bde-732b-783a-9e71-af10c3951483" xlink:to="loc_us-gaap_SupplementalCashFlowInformationAbstract_019e4bde-732b-7fe2-9256-8ba927147793" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPaidNet_019e4bde-732b-7fb9-a64b-d3ae098a02ab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestPaidNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_019e4bde-732b-7fe2-9256-8ba927147793" xlink:to="loc_us-gaap_InterestPaidNet_019e4bde-732b-7fb9-a64b-d3ae098a02ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_019e4bde-732b-7f4b-8013-189b443d8dce" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxesPaidNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_019e4bde-732b-7fe2-9256-8ba927147793" xlink:to="loc_us-gaap_IncomeTaxesPaidNet_019e4bde-732b-7f4b-8013-189b443d8dce" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_019e4bde-732b-7d98-8a0d-84da5845e449" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NoncashInvestingAndFinancingItemsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e4bde-732b-783a-9e71-af10c3951483" xlink:to="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_019e4bde-732b-7d98-8a0d-84da5845e449" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_NoncashOrPartNoncashAcquisitionOfPropertyPlantAndEquipmentCapitalLeases_019e4bde-732b-77f7-aaf3-bee96f8fb578" xlink:href="spb-20260628.xsd#spb_NoncashOrPartNoncashAcquisitionOfPropertyPlantAndEquipmentCapitalLeases"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_019e4bde-732b-7d98-8a0d-84da5845e449" xlink:to="loc_spb_NoncashOrPartNoncashAcquisitionOfPropertyPlantAndEquipmentCapitalLeases_019e4bde-732b-77f7-aaf3-bee96f8fb578" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_019e4bde-732b-74f2-9f66-b14a971cff1f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019e4bde-732b-783a-9e71-af10c3951483" xlink:to="loc_us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_019e4bde-732b-74f2-9f66-b14a971cff1f" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareRepurchaseProgramExciseTax_019e4bde-732b-77df-8d4a-94bcaceac18d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareRepurchaseProgramExciseTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_019e4bde-732b-74f2-9f66-b14a971cff1f" xlink:to="loc_us-gaap_ShareRepurchaseProgramExciseTax_019e4bde-732b-77df-8d4a-94bcaceac18d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssued1_019e4bde-732b-70aa-acbb-3b55d67777c3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssued1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_019e4bde-732b-74f2-9f66-b14a971cff1f" xlink:to="loc_us-gaap_StockIssued1_019e4bde-732b-70aa-acbb-3b55d67777c3" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/BASISOFPRESENTATIONANDSIGNIFICANTACCOUNTINGPOLICIESDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#BASISOFPRESENTATIONANDSIGNIFICANTACCOUNTINGPOLICIESDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/BASISOFPRESENTATIONANDSIGNIFICANTACCOUNTINGPOLICIESDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionLineItems_019eb24e-7ca5-7583-b1b2-6d2dbf5cbd4a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionTable_019eb24e-7ca5-7c62-aa20-41f053f4052a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_019eb24e-7ca5-7583-b1b2-6d2dbf5cbd4a" xlink:to="loc_us-gaap_AssetAcquisitionTable_019eb24e-7ca5-7c62-aa20-41f053f4052a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_019eb24e-7ca5-785d-a87c-f34760c18d74" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_019eb24e-7ca5-7c62-aa20-41f053f4052a" xlink:to="loc_srt_CounterpartyNameAxis_019eb24e-7ca5-785d-a87c-f34760c18d74" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019eb24e-7ca5-785d-a87c-f34760c18d74_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_019eb24e-7ca5-785d-a87c-f34760c18d74" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019eb24e-7ca5-785d-a87c-f34760c18d74_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019eb24e-7ca5-780c-8179-4ed83612b36a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_019eb24e-7ca5-785d-a87c-f34760c18d74" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019eb24e-7ca5-780c-8179-4ed83612b36a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_OaktreeCapitalManagementL.P.Member_019eb24e-7ca5-7529-b168-4dfd88fff71b" xlink:href="spb-20260628.xsd#spb_OaktreeCapitalManagementL.P.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019eb24e-7ca5-780c-8179-4ed83612b36a" xlink:to="loc_spb_OaktreeCapitalManagementL.P.Member_019eb24e-7ca5-7529-b168-4dfd88fff71b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_019eb24e-7ca5-7709-bbb8-3bbff6587c55" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_019eb24e-7ca5-7c62-aa20-41f053f4052a" xlink:to="loc_us-gaap_AssetAcquisitionAxis_019eb24e-7ca5-7709-bbb8-3bbff6587c55" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_019eb24e-7ca5-7709-bbb8-3bbff6587c55_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_019eb24e-7ca5-7709-bbb8-3bbff6587c55" xlink:to="loc_us-gaap_AssetAcquisitionDomain_019eb24e-7ca5-7709-bbb8-3bbff6587c55_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_019eb24e-7ca5-7d26-96ae-ba6208d4bae3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_019eb24e-7ca5-7709-bbb8-3bbff6587c55" xlink:to="loc_us-gaap_AssetAcquisitionDomain_019eb24e-7ca5-7d26-96ae-ba6208d4bae3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_SpectrumBrandsHoldingsInc.Member_019eb24e-7ca5-70ad-b1d8-f4cf23dd7956" xlink:href="spb-20260628.xsd#spb_SpectrumBrandsHoldingsInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_019eb24e-7ca5-7d26-96ae-ba6208d4bae3" xlink:to="loc_spb_SpectrumBrandsHoldingsInc.Member_019eb24e-7ca5-70ad-b1d8-f4cf23dd7956" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019eb24e-7ca5-7bfe-90ad-2f1f4e9b42fb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_019eb24e-7ca5-7c62-aa20-41f053f4052a" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019eb24e-7ca5-7bfe-90ad-2f1f4e9b42fb" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019eb24e-7ca5-7bfe-90ad-2f1f4e9b42fb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019eb24e-7ca5-7bfe-90ad-2f1f4e9b42fb" xlink:to="loc_us-gaap_SegmentDomain_019eb24e-7ca5-7bfe-90ad-2f1f4e9b42fb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019eb24e-7ca5-7bf6-825f-ce53d78b3f15" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019eb24e-7ca5-7bfe-90ad-2f1f4e9b42fb" xlink:to="loc_us-gaap_SegmentDomain_019eb24e-7ca5-7bf6-825f-ce53d78b3f15" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_HPCSegmentMember_019eb24e-7ca5-7c91-998a-3229a15373d0" xlink:href="spb-20260628.xsd#spb_HPCSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019eb24e-7ca5-7bf6-825f-ce53d78b3f15" xlink:to="loc_spb_HPCSegmentMember_019eb24e-7ca5-7c91-998a-3229a15373d0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_019f3df9-c343-7fdb-bdc8-3ea1d72ab9c7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_019eb24e-7ca5-7c62-aa20-41f053f4052a" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_019f3df9-c343-7fdb-bdc8-3ea1d72ab9c7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_019f3df9-c343-7fdb-bdc8-3ea1d72ab9c7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_019f3df9-c343-7fdb-bdc8-3ea1d72ab9c7" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_019f3df9-c343-7fdb-bdc8-3ea1d72ab9c7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_019f3df9-c343-7bd8-a0ec-dff87d2c2c5c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_019f3df9-c343-7fdb-bdc8-3ea1d72ab9c7" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_019f3df9-c343-7bd8-a0ec-dff87d2c2c5c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_019f3df9-c343-73e7-98ac-82a7d6f5daed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_019f3df9-c343-7bd8-a0ec-dff87d2c2c5c" xlink:to="loc_us-gaap_SubsequentEventMember_019f3df9-c343-73e7-98ac-82a7d6f5daed" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019f9480-160f-73d8-910d-b55fc44f533b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_019eb24e-7ca5-7c62-aa20-41f053f4052a" xlink:to="loc_us-gaap_CreditFacilityAxis_019f9480-160f-73d8-910d-b55fc44f533b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019f9480-160f-73d8-910d-b55fc44f533b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_019f9480-160f-73d8-910d-b55fc44f533b" xlink:to="loc_us-gaap_CreditFacilityDomain_019f9480-160f-73d8-910d-b55fc44f533b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019f9480-160f-7b3b-89b7-4294d4eef468" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_019f9480-160f-73d8-910d-b55fc44f533b" xlink:to="loc_us-gaap_CreditFacilityDomain_019f9480-160f-7b3b-89b7-4294d4eef468" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_019f9480-160f-772d-b34e-5206a03cf783" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019f9480-160f-7b3b-89b7-4294d4eef468" xlink:to="loc_us-gaap_SecuredDebtMember_019f9480-160f-772d-b34e-5206a03cf783" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019f9480-160f-76da-8a1c-535d1f8f5316" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_019eb24e-7ca5-7c62-aa20-41f053f4052a" xlink:to="loc_us-gaap_DebtInstrumentAxis_019f9480-160f-76da-8a1c-535d1f8f5316" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019f9480-160f-76da-8a1c-535d1f8f5316_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019f9480-160f-76da-8a1c-535d1f8f5316" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019f9480-160f-76da-8a1c-535d1f8f5316_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019f9480-160f-7b43-987c-d1c61fb65d00" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019f9480-160f-76da-8a1c-535d1f8f5316" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019f9480-160f-7b43-987c-d1c61fb65d00" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_HPCTermLoanMember_019f9480-160f-7344-af1f-61a45fedc90f" xlink:href="spb-20260628.xsd#spb_HPCTermLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019f9480-160f-7b43-987c-d1c61fb65d00" xlink:to="loc_spb_HPCTermLoanMember_019f9480-160f-7344-af1f-61a45fedc90f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019f9480-160f-7a30-9f03-bf368b07b812" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_019eb24e-7ca5-7c62-aa20-41f053f4052a" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019f9480-160f-7a30-9f03-bf368b07b812" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019f9480-160f-7a30-9f03-bf368b07b812_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019f9480-160f-7a30-9f03-bf368b07b812" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019f9480-160f-7a30-9f03-bf368b07b812_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019f9480-160f-785f-8cab-02416fc39c4c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019f9480-160f-7a30-9f03-bf368b07b812" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019f9480-160f-785f-8cab-02416fc39c4c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_019f9480-160f-7781-9acb-9311310899f1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019f9480-160f-785f-8cab-02416fc39c4c" xlink:to="loc_us-gaap_LineOfCreditMember_019f9480-160f-7781-9acb-9311310899f1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_PaymentsForAssetAcquisition_019eb24e-7ca5-743e-9253-64b8cb81658b" xlink:href="spb-20260628.xsd#spb_PaymentsForAssetAcquisition"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_019eb24e-7ca5-7583-b1b2-6d2dbf5cbd4a" xlink:to="loc_spb_PaymentsForAssetAcquisition_019eb24e-7ca5-743e-9253-64b8cb81658b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_AssetAcquisitionConsiderationTransferredConvertiblePreferredStock_019eb24e-7ca5-7f4b-8030-2957b25d1048" xlink:href="spb-20260628.xsd#spb_AssetAcquisitionConsiderationTransferredConvertiblePreferredStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_019eb24e-7ca5-7583-b1b2-6d2dbf5cbd4a" xlink:to="loc_spb_AssetAcquisitionConsiderationTransferredConvertiblePreferredStock_019eb24e-7ca5-7f4b-8030-2957b25d1048" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_AssetAcquisitionConsiderationTransferredDebtIssued_019eb24e-7ca5-7873-b79a-d9bac2cd7fcb" xlink:href="spb-20260628.xsd#spb_AssetAcquisitionConsiderationTransferredDebtIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_019eb24e-7ca5-7583-b1b2-6d2dbf5cbd4a" xlink:to="loc_spb_AssetAcquisitionConsiderationTransferredDebtIssued_019eb24e-7ca5-7873-b79a-d9bac2cd7fcb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_019f9480-160f-74fc-a85d-f3f02001f747" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_019eb24e-7ca5-7583-b1b2-6d2dbf5cbd4a" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_019f9480-160f-74fc-a85d-f3f02001f747" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_AssetAcquisitionConsiderationTransferredConvertiblePreferredStockDeferred_019eb24e-7ca5-7f9b-8882-a745c683592a" xlink:href="spb-20260628.xsd#spb_AssetAcquisitionConsiderationTransferredConvertiblePreferredStockDeferred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_019eb24e-7ca5-7583-b1b2-6d2dbf5cbd4a" xlink:to="loc_spb_AssetAcquisitionConsiderationTransferredConvertiblePreferredStockDeferred_019eb24e-7ca5-7f9b-8882-a745c683592a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_AssetAcquisitionConsiderationTransferredConvertiblePreferredStockIssued_019f3d3e-7ac4-7eb8-9848-4408082e5abb" xlink:href="spb-20260628.xsd#spb_AssetAcquisitionConsiderationTransferredConvertiblePreferredStockIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_019eb24e-7ca5-7583-b1b2-6d2dbf5cbd4a" xlink:to="loc_spb_AssetAcquisitionConsiderationTransferredConvertiblePreferredStockIssued_019f3d3e-7ac4-7eb8-9848-4408082e5abb" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityOwnershipPercentageExcludingConsolidatedEntityAndEquityMethodInvestee_019eb24e-7ca5-7a3b-aee1-402166fc49b0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityOwnershipPercentageExcludingConsolidatedEntityAndEquityMethodInvestee"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_019eb24e-7ca5-7583-b1b2-6d2dbf5cbd4a" xlink:to="loc_us-gaap_EquityOwnershipPercentageExcludingConsolidatedEntityAndEquityMethodInvestee_019eb24e-7ca5-7a3b-aee1-402166fc49b0" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/EXITANDDISPOSALACTIVITIESNarrativeDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#EXITANDDISPOSALACTIVITIESNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/EXITANDDISPOSALACTIVITIESNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_019e4bde-732b-77d8-b9b6-91d374de2018" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e4bde-732b-74df-80c3-6c2484372d91" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019e4bde-732b-77d8-b9b6-91d374de2018" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e4bde-732b-74df-80c3-6c2484372d91" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanAxis_019e4bde-732b-7335-bff3-a383f67f9fdd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringPlanAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e4bde-732b-74df-80c3-6c2484372d91" xlink:to="loc_us-gaap_RestructuringPlanAxis_019e4bde-732b-7335-bff3-a383f67f9fdd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_019e4bde-732b-7335-bff3-a383f67f9fdd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringPlanDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringPlanAxis_019e4bde-732b-7335-bff3-a383f67f9fdd" xlink:to="loc_us-gaap_RestructuringPlanDomain_019e4bde-732b-7335-bff3-a383f67f9fdd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_019e4bde-732b-7101-9a74-f52803063e04" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringPlanDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringPlanAxis_019e4bde-732b-7335-bff3-a383f67f9fdd" xlink:to="loc_us-gaap_RestructuringPlanDomain_019e4bde-732b-7101-9a74-f52803063e04" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_Fiscal2025RestructuringMember_019e4bde-732b-7279-bbd7-2d7acbef98f6" xlink:href="spb-20260628.xsd#spb_Fiscal2025RestructuringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_019e4bde-732b-7101-9a74-f52803063e04" xlink:to="loc_spb_Fiscal2025RestructuringMember_019e4bde-732b-7279-bbd7-2d7acbef98f6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_019e4bde-732b-749f-bcd0-b0b8f3668e44" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019e4bde-732b-77d8-b9b6-91d374de2018" xlink:to="loc_us-gaap_RestructuringCharges_019e4bde-732b-749f-bcd0-b0b8f3668e44" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1_019e4bde-732b-74f5-a46e-d3d485733281" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019e4bde-732b-77d8-b9b6-91d374de2018" xlink:to="loc_us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1_019e4bde-732b-74f5-a46e-d3d485733281" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/EXITANDDISPOSALACTIVITIESSummaryofExitandDisposalChargesDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#EXITANDDISPOSALACTIVITIESSummaryofExitandDisposalChargesDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/EXITANDDISPOSALACTIVITIESSummaryofExitandDisposalChargesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_019e4bde-732b-730f-8bd7-63182d2ec120" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e4bde-732b-7a70-8bba-ff429ca96802" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019e4bde-732b-730f-8bd7-63182d2ec120" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e4bde-732b-7a70-8bba-ff429ca96802" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-732b-7e68-a08a-0d9b3b66ef18" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e4bde-732b-7a70-8bba-ff429ca96802" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-732b-7e68-a08a-0d9b3b66ef18" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e4bde-732b-7e68-a08a-0d9b3b66ef18_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-732b-7e68-a08a-0d9b3b66ef18" xlink:to="loc_us-gaap_SegmentDomain_019e4bde-732b-7e68-a08a-0d9b3b66ef18_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e4bde-732b-78a3-a930-c41f8983f610" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-732b-7e68-a08a-0d9b3b66ef18" xlink:to="loc_us-gaap_SegmentDomain_019e4bde-732b-78a3-a930-c41f8983f610" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_GlobalPetSuppliesMember_019e4bde-732b-71e1-8ffe-61f3a02d7800" xlink:href="spb-20260628.xsd#spb_GlobalPetSuppliesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e4bde-732b-78a3-a930-c41f8983f610" xlink:to="loc_spb_GlobalPetSuppliesMember_019e4bde-732b-71e1-8ffe-61f3a02d7800" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_HomeAndGardenBusinessMember_019e4bde-732b-7472-8b35-96696151bd7a" xlink:href="spb-20260628.xsd#spb_HomeAndGardenBusinessMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e4bde-732b-78a3-a930-c41f8983f610" xlink:to="loc_spb_HomeAndGardenBusinessMember_019e4bde-732b-7472-8b35-96696151bd7a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_HomeAndPersonalCareMember_019e4bde-732b-7314-b802-6a325c268ea5" xlink:href="spb-20260628.xsd#spb_HomeAndPersonalCareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e4bde-732b-78a3-a930-c41f8983f610" xlink:to="loc_spb_HomeAndPersonalCareMember_019e4bde-732b-7314-b802-6a325c268ea5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019e4bde-732b-7b26-87e9-a51b26d0416c" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e4bde-732b-7a70-8bba-ff429ca96802" xlink:to="loc_srt_ConsolidationItemsAxis_019e4bde-732b-7b26-87e9-a51b26d0416c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019e4bde-732b-7b26-87e9-a51b26d0416c_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_019e4bde-732b-7b26-87e9-a51b26d0416c" xlink:to="loc_srt_ConsolidationItemsDomain_019e4bde-732b-7b26-87e9-a51b26d0416c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019e4bde-732b-7bb2-a82e-92797a9ccea2" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_019e4bde-732b-7b26-87e9-a51b26d0416c" xlink:to="loc_srt_ConsolidationItemsDomain_019e4bde-732b-7bb2-a82e-92797a9ccea2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_019e4bde-732b-77a7-a2df-ebfa84a9270b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019e4bde-732b-7bb2-a82e-92797a9ccea2" xlink:to="loc_us-gaap_OperatingSegmentsMember_019e4bde-732b-77a7-a2df-ebfa84a9270b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_019e4bde-732b-7add-a3b0-096a1176ca86" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019e4bde-732b-7bb2-a82e-92797a9ccea2" xlink:to="loc_us-gaap_CorporateNonSegmentMember_019e4bde-732b-7add-a3b0-096a1176ca86" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_019e4bde-732b-7a41-9bfa-43a2e4f86c3b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019e4bde-732b-730f-8bd7-63182d2ec120" xlink:to="loc_us-gaap_RestructuringCharges_019e4bde-732b-7a41-9bfa-43a2e4f86c3b" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/EXITANDDISPOSALACTIVITIESSummaryofCostsIncurredandCumulativeCostsByCostTypeDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#EXITANDDISPOSALACTIVITIESSummaryofCostsIncurredandCumulativeCostsByCostTypeDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/EXITANDDISPOSALACTIVITIESSummaryofCostsIncurredandCumulativeCostsByCostTypeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_019e4bde-732b-7d84-8c17-f65f9c6a243c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e4bde-732b-76e9-a77e-f869b490f6fa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019e4bde-732b-7d84-8c17-f65f9c6a243c" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e4bde-732b-76e9-a77e-f869b490f6fa" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_019e4bde-732b-787d-ac74-c05a084d7fe0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e4bde-732b-76e9-a77e-f869b490f6fa" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_019e4bde-732b-787d-ac74-c05a084d7fe0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_019e4bde-732b-787d-ac74-c05a084d7fe0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_019e4bde-732b-787d-ac74-c05a084d7fe0" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_019e4bde-732b-787d-ac74-c05a084d7fe0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_019e4bde-732b-7533-9705-4f1fcd5787bf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_019e4bde-732b-787d-ac74-c05a084d7fe0" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_019e4bde-732b-7533-9705-4f1fcd5787bf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeSeveranceMember_019e4bde-732b-717c-98cf-509f13965252" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeSeveranceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_019e4bde-732b-7533-9705-4f1fcd5787bf" xlink:to="loc_us-gaap_EmployeeSeveranceMember_019e4bde-732b-717c-98cf-509f13965252" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherRestructuringMember_019e4bde-732b-7eae-a0a3-bde656477806" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherRestructuringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_019e4bde-732b-7533-9705-4f1fcd5787bf" xlink:to="loc_us-gaap_OtherRestructuringMember_019e4bde-732b-7eae-a0a3-bde656477806" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_019e4bde-732b-7079-b732-ccfd771598e5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019e4bde-732b-7d84-8c17-f65f9c6a243c" xlink:to="loc_us-gaap_RestructuringCharges_019e4bde-732b-7079-b732-ccfd771598e5" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/EXITANDDISPOSALACTIVITIESSummaryofRollforwardofRestructuringAccrualDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#EXITANDDISPOSALACTIVITIESSummaryofRollforwardofRestructuringAccrualDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/EXITANDDISPOSALACTIVITIESSummaryofRollforwardofRestructuringAccrualDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_019e4bde-732b-7ded-9846-2002e7dfa88c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e4bde-732b-7a3b-8378-eb0d69f7240b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019e4bde-732b-7ded-9846-2002e7dfa88c" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e4bde-732b-7a3b-8378-eb0d69f7240b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_019e4bde-732b-766c-bfee-8fce5669c48e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e4bde-732b-7a3b-8378-eb0d69f7240b" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_019e4bde-732b-766c-bfee-8fce5669c48e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_019e4bde-732b-766c-bfee-8fce5669c48e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_019e4bde-732b-766c-bfee-8fce5669c48e" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_019e4bde-732b-766c-bfee-8fce5669c48e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_019e4bde-732b-749a-b3f0-101e787fe7ac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_019e4bde-732b-766c-bfee-8fce5669c48e" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_019e4bde-732b-749a-b3f0-101e787fe7ac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeSeveranceMember_019e4bde-732b-775a-b8cd-e15fa3859277" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeSeveranceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_019e4bde-732b-749a-b3f0-101e787fe7ac" xlink:to="loc_us-gaap_EmployeeSeveranceMember_019e4bde-732b-775a-b8cd-e15fa3859277" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherRestructuringMember_019e4bde-732b-7bcc-b4a1-d9f27d305d16" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherRestructuringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_019e4bde-732b-749a-b3f0-101e787fe7ac" xlink:to="loc_us-gaap_OtherRestructuringMember_019e4bde-732b-7bcc-b4a1-d9f27d305d16" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveRollForward_019e4bde-732b-7371-98bd-e318ce37d2a3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringReserveRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019e4bde-732b-7ded-9846-2002e7dfa88c" xlink:to="loc_us-gaap_RestructuringReserveRollForward_019e4bde-732b-7371-98bd-e318ce37d2a3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_019e4bde-732b-7873-86ae-81188362a3d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringReserve"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_019e4bde-732b-7371-98bd-e318ce37d2a3" xlink:to="loc_us-gaap_RestructuringReserve_019e4bde-732b-7873-86ae-81188362a3d8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInRestructuringReserve_019e4bde-732b-7266-9e5d-0d696de6bc7d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInRestructuringReserve"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_019e4bde-732b-7371-98bd-e318ce37d2a3" xlink:to="loc_us-gaap_IncreaseDecreaseInRestructuringReserve_019e4bde-732b-7266-9e5d-0d696de6bc7d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRestructuring_019e4bde-732b-75e7-bab7-0d1708a47428" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForRestructuring"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_019e4bde-732b-7371-98bd-e318ce37d2a3" xlink:to="loc_us-gaap_PaymentsForRestructuring_019e4bde-732b-75e7-bab7-0d1708a47428" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveTranslationAndOtherAdjustment_019e4bde-732b-7cca-b55f-d7d45a81a9a6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringReserveTranslationAndOtherAdjustment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_019e4bde-732b-7371-98bd-e318ce37d2a3" xlink:to="loc_us-gaap_RestructuringReserveTranslationAndOtherAdjustment_019e4bde-732b-7cca-b55f-d7d45a81a9a6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_019e4bde-732b-7a27-82c8-b96721ca06e7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringReserve"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/REVENUERECOGNITIONANDRECEIVABLESScheduleofDisaggregationofRevenueDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#REVENUERECOGNITIONANDRECEIVABLESScheduleofDisaggregationofRevenueDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/REVENUERECOGNITIONANDRECEIVABLESScheduleofDisaggregationofRevenueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_019e4bde-732b-7b5e-908f-e67fb4c286b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_019e4bde-732b-72d8-9b79-1251d0f829cc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019e4bde-732b-7b5e-908f-e67fb4c286b6" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_019e4bde-732b-72d8-9b79-1251d0f829cc" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-732b-7dff-b10e-1c97eea30fa6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019e4bde-732b-72d8-9b79-1251d0f829cc" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-732b-7dff-b10e-1c97eea30fa6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e4bde-732b-7dff-b10e-1c97eea30fa6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-732b-7dff-b10e-1c97eea30fa6" xlink:to="loc_us-gaap_SegmentDomain_019e4bde-732b-7dff-b10e-1c97eea30fa6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e4bde-732b-7b89-b2a2-5e2fd2f53fc4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-732b-7dff-b10e-1c97eea30fa6" xlink:to="loc_us-gaap_SegmentDomain_019e4bde-732b-7b89-b2a2-5e2fd2f53fc4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_GlobalPetSuppliesMember_019e4bde-732b-742c-b41e-e7df15aaac07" xlink:href="spb-20260628.xsd#spb_GlobalPetSuppliesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e4bde-732b-7b89-b2a2-5e2fd2f53fc4" xlink:to="loc_spb_GlobalPetSuppliesMember_019e4bde-732b-742c-b41e-e7df15aaac07" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_HomeAndGardenBusinessMember_019e4bde-732b-70e9-9b29-8ab0ce5c39f1" xlink:href="spb-20260628.xsd#spb_HomeAndGardenBusinessMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e4bde-732b-7b89-b2a2-5e2fd2f53fc4" xlink:to="loc_spb_HomeAndGardenBusinessMember_019e4bde-732b-70e9-9b29-8ab0ce5c39f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_HomeAndPersonalCareMember_019e4bde-732b-75c6-b2a7-3d1418b77714" xlink:href="spb-20260628.xsd#spb_HomeAndPersonalCareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e4bde-732b-7b89-b2a2-5e2fd2f53fc4" xlink:to="loc_spb_HomeAndPersonalCareMember_019e4bde-732b-75c6-b2a7-3d1418b77714" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019e4bde-732b-7a39-8fd5-0d36a5456b03" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019e4bde-732b-72d8-9b79-1251d0f829cc" xlink:to="loc_srt_StatementGeographicalAxis_019e4bde-732b-7a39-8fd5-0d36a5456b03" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019e4bde-732b-7a39-8fd5-0d36a5456b03_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019e4bde-732b-7a39-8fd5-0d36a5456b03" xlink:to="loc_srt_SegmentGeographicalDomain_019e4bde-732b-7a39-8fd5-0d36a5456b03_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019e4bde-732b-7c51-9659-3b16eaba38d7" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019e4bde-732b-7a39-8fd5-0d36a5456b03" xlink:to="loc_srt_SegmentGeographicalDomain_019e4bde-732b-7c51-9659-3b16eaba38d7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NorthAmericaMember_019e4bde-732b-7839-9c55-926663cc8763" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_NorthAmericaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e4bde-732b-7c51-9659-3b16eaba38d7" xlink:to="loc_srt_NorthAmericaMember_019e4bde-732b-7839-9c55-926663cc8763" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EMEAMember_019e4bde-732b-79a2-8727-cca573116668" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EMEAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e4bde-732b-7c51-9659-3b16eaba38d7" xlink:to="loc_us-gaap_EMEAMember_019e4bde-732b-79a2-8727-cca573116668" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LatinAmericaMember_019e4bde-732b-7a12-ad20-3ecb4c0d9065" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_LatinAmericaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e4bde-732b-7c51-9659-3b16eaba38d7" xlink:to="loc_srt_LatinAmericaMember_019e4bde-732b-7a12-ad20-3ecb4c0d9065" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AsiaPacificMember_019e4bde-732b-7151-998d-277975cdf972" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_AsiaPacificMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e4bde-732b-7c51-9659-3b16eaba38d7" xlink:to="loc_srt_AsiaPacificMember_019e4bde-732b-7151-998d-277975cdf972" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019e4bde-732b-7fa6-80fb-5532e422d00d" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019e4bde-732b-72d8-9b79-1251d0f829cc" xlink:to="loc_srt_ProductOrServiceAxis_019e4bde-732b-7fa6-80fb-5532e422d00d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019e4bde-732b-7fa6-80fb-5532e422d00d_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019e4bde-732b-7fa6-80fb-5532e422d00d" xlink:to="loc_srt_ProductsAndServicesDomain_019e4bde-732b-7fa6-80fb-5532e422d00d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019e4bde-732b-7931-9d9c-1693736372b1" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019e4bde-732b-7fa6-80fb-5532e422d00d" xlink:to="loc_srt_ProductsAndServicesDomain_019e4bde-732b-7931-9d9c-1693736372b1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductMember_019e4bde-732b-798d-8ba5-cdf70dbf1380" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProductMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019e4bde-732b-7931-9d9c-1693736372b1" xlink:to="loc_us-gaap_ProductMember_019e4bde-732b-798d-8ba5-cdf70dbf1380" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LicenseMember_019e4bde-732b-798e-b024-b732addd9af7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LicenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019e4bde-732b-7931-9d9c-1693736372b1" xlink:to="loc_us-gaap_LicenseMember_019e4bde-732b-798e-b024-b732addd9af7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductAndServiceOtherMember_019e4bde-732b-7d42-af35-94da8bfd0d6e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProductAndServiceOtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019e4bde-732b-7931-9d9c-1693736372b1" xlink:to="loc_us-gaap_ProductAndServiceOtherMember_019e4bde-732b-7d42-af35-94da8bfd0d6e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e4bde-732b-7252-a338-45636d58539d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019e4bde-732b-7b5e-908f-e67fb4c286b6" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e4bde-732b-7252-a338-45636d58539d" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/REVENUERECOGNITIONANDRECEIVABLESScheduleofSignificantConcentrationRiskAssociatedDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#REVENUERECOGNITIONANDRECEIVABLESScheduleofSignificantConcentrationRiskAssociatedDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/REVENUERECOGNITIONANDRECEIVABLESScheduleofSignificantConcentrationRiskAssociatedDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_019e4bde-732b-76f3-a47e-9bee227c1218" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTable_019e4bde-732b-70cf-9ae4-f0062688c061" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_019e4bde-732b-76f3-a47e-9bee227c1218" xlink:to="loc_us-gaap_ConcentrationRiskTable_019e4bde-732b-70cf-9ae4-f0062688c061" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_019e4bde-732b-7691-ab4a-d9da18a600e0" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MajorCustomersAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_019e4bde-732b-70cf-9ae4-f0062688c061" xlink:to="loc_srt_MajorCustomersAxis_019e4bde-732b-7691-ab4a-d9da18a600e0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_019e4bde-732b-7691-ab4a-d9da18a600e0_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MajorCustomersAxis_019e4bde-732b-7691-ab4a-d9da18a600e0" xlink:to="loc_srt_NameOfMajorCustomerDomain_019e4bde-732b-7691-ab4a-d9da18a600e0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_019e4bde-732b-7d76-831c-140f43ca1cca" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MajorCustomersAxis_019e4bde-732b-7691-ab4a-d9da18a600e0" xlink:to="loc_srt_NameOfMajorCustomerDomain_019e4bde-732b-7d76-831c-140f43ca1cca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_TwoCustomersMember_019e4bde-732b-761d-b6df-2fadd80377a9" xlink:href="spb-20260628.xsd#spb_TwoCustomersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_019e4bde-732b-7d76-831c-140f43ca1cca" xlink:to="loc_spb_TwoCustomersMember_019e4bde-732b-761d-b6df-2fadd80377a9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_019e4bde-732b-73fa-a9d8-cfdd2b197fea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_019e4bde-732b-70cf-9ae4-f0062688c061" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_019e4bde-732b-73fa-a9d8-cfdd2b197fea" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019e4bde-732b-73fa-a9d8-cfdd2b197fea_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_019e4bde-732b-73fa-a9d8-cfdd2b197fea" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019e4bde-732b-73fa-a9d8-cfdd2b197fea_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019e4bde-732b-77b5-aa50-732c40f0bd2e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_019e4bde-732b-73fa-a9d8-cfdd2b197fea" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019e4bde-732b-77b5-aa50-732c40f0bd2e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerMember_019e4bde-732b-7ef8-9cbe-b4dbf74a377e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019e4bde-732b-77b5-aa50-732c40f0bd2e" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerMember_019e4bde-732b-7ef8-9cbe-b4dbf74a377e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeAccountsReceivableMember_019e4bde-732b-7a23-9947-3b3a4486e0e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TradeAccountsReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019e4bde-732b-77b5-aa50-732c40f0bd2e" xlink:to="loc_us-gaap_TradeAccountsReceivableMember_019e4bde-732b-7a23-9947-3b3a4486e0e3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_019e4bde-732b-731e-9b86-59846d878e89" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_019e4bde-732b-70cf-9ae4-f0062688c061" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_019e4bde-732b-731e-9b86-59846d878e89" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_019e4bde-732b-731e-9b86-59846d878e89_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_019e4bde-732b-731e-9b86-59846d878e89" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_019e4bde-732b-731e-9b86-59846d878e89_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_019e4bde-732b-7cf6-9e55-a2ce5ee7292e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_019e4bde-732b-731e-9b86-59846d878e89" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_019e4bde-732b-7cf6-9e55-a2ce5ee7292e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_019e4bde-732b-7a07-9758-0e9602b90e5e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CustomerConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_019e4bde-732b-7cf6-9e55-a2ce5ee7292e" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_019e4bde-732b-7a07-9758-0e9602b90e5e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_019e4bde-732b-729c-98b1-de5600a8dbb6" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_019e4bde-732b-70cf-9ae4-f0062688c061" xlink:to="loc_srt_CounterpartyNameAxis_019e4bde-732b-729c-98b1-de5600a8dbb6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019e4bde-732b-729c-98b1-de5600a8dbb6_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_019e4bde-732b-729c-98b1-de5600a8dbb6" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019e4bde-732b-729c-98b1-de5600a8dbb6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019e4bde-732b-783b-a17c-8d2809486f49" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_019e4bde-732b-729c-98b1-de5600a8dbb6" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019e4bde-732b-783b-a17c-8d2809486f49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_BlackAndDeckerMember_019e4bde-732b-75e1-b8d0-b66d6f50e8eb" xlink:href="spb-20260628.xsd#spb_BlackAndDeckerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019e4bde-732b-783b-a17c-8d2809486f49" xlink:to="loc_spb_BlackAndDeckerMember_019e4bde-732b-75e1-b8d0-b66d6f50e8eb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_019e4bde-732b-7f8b-a214-a8fe99183e89" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_019e4bde-732b-76f3-a47e-9bee227c1218" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_019e4bde-732b-7f8b-a214-a8fe99183e89" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/PROPERTYPLANTANDEQUIPMENTScheduleofPropertyPlantandEquipmentDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#PROPERTYPLANTANDEQUIPMENTScheduleofPropertyPlantandEquipmentDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/PROPERTYPLANTANDEQUIPMENTScheduleofPropertyPlantandEquipmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019e4bde-732b-784f-bc0c-eb8adcb3c6c9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019e4bde-732b-784f-beac-3e9d912e8aa7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019e4bde-732b-784f-bc0c-eb8adcb3c6c9" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019e4bde-732b-784f-beac-3e9d912e8aa7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019e4bde-732b-73c7-b81b-f3a163d45bdb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019e4bde-732b-784f-beac-3e9d912e8aa7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019e4bde-732b-73c7-b81b-f3a163d45bdb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019e4bde-732b-73c7-b81b-f3a163d45bdb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019e4bde-732b-73c7-b81b-f3a163d45bdb" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019e4bde-732b-73c7-b81b-f3a163d45bdb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019e4bde-732b-7dbd-b3ad-feccc3dd7682" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019e4bde-732b-73c7-b81b-f3a163d45bdb" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019e4bde-732b-7dbd-b3ad-feccc3dd7682" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandBuildingsAndImprovementsMember_019e4bde-732b-7c8e-a375-c28578aecc81" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LandBuildingsAndImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019e4bde-732b-7dbd-b3ad-feccc3dd7682" xlink:to="loc_us-gaap_LandBuildingsAndImprovementsMember_019e4bde-732b-7c8e-a375-c28578aecc81" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_MachineryEquipmentAndOtherMember_019e4bde-732b-7aeb-9ca9-78f6b26be6cd" xlink:href="spb-20260628.xsd#spb_MachineryEquipmentAndOtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019e4bde-732b-7dbd-b3ad-feccc3dd7682" xlink:to="loc_spb_MachineryEquipmentAndOtherMember_019e4bde-732b-7aeb-9ca9-78f6b26be6cd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_019e4bde-732b-758d-9577-afeca211fd94" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019e4bde-732b-7dbd-b3ad-feccc3dd7682" xlink:to="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_019e4bde-732b-758d-9577-afeca211fd94" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressMember_019e4bde-732b-743f-860a-34db113e711b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConstructionInProgressMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019e4bde-732b-7dbd-b3ad-feccc3dd7682" xlink:to="loc_us-gaap_ConstructionInProgressMember_019e4bde-732b-743f-860a-34db113e711b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_019e4bde-732b-74e6-a557-3b559494268b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019e4bde-732b-784f-bc0c-eb8adcb3c6c9" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_019e4bde-732b-74e6-a557-3b559494268b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_019e4bde-732b-7e56-898e-e1b4fc7b1a08" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019e4bde-732b-784f-bc0c-eb8adcb3c6c9" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_019e4bde-732b-7e56-898e-e1b4fc7b1a08" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_019e4bde-732b-7e4c-b22c-06ad82d706f9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019e4bde-732b-784f-bc0c-eb8adcb3c6c9" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_019e4bde-732b-7e4c-b22c-06ad82d706f9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_019e4bde-732b-70d6-8053-dec1e8c86064" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019e4bde-732b-784f-bc0c-eb8adcb3c6c9" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_019e4bde-732b-70d6-8053-dec1e8c86064" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_019e4bde-732b-7707-bae6-cd18c2a24821" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019e4bde-732b-784f-bc0c-eb8adcb3c6c9" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_019e4bde-732b-7707-bae6-cd18c2a24821" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_019e4bde-732b-75a3-a893-9ebb71a3725f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Depreciation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019e4bde-732b-784f-bc0c-eb8adcb3c6c9" xlink:to="loc_us-gaap_Depreciation_019e4bde-732b-75a3-a893-9ebb71a3725f" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/PROPERTYPLANTANDEQUIPMENTScheduleofDeferredImplementationCostsDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#PROPERTYPLANTANDEQUIPMENTScheduleofDeferredImplementationCostsDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/PROPERTYPLANTANDEQUIPMENTScheduleofDeferredImplementationCostsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019e4bde-732b-7bb0-a534-3758a057dfbf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019e4bde-732b-7e2b-b694-4b008846a4d6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019e4bde-732b-7bb0-a534-3758a057dfbf" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019e4bde-732b-7e2b-b694-4b008846a4d6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionLocationBalanceAxis_019e4bde-732b-7e76-93ba-d39d3dc05007" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOfFinancialPositionLocationBalanceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019e4bde-732b-7e2b-b694-4b008846a4d6" xlink:to="loc_us-gaap_StatementOfFinancialPositionLocationBalanceAxis_019e4bde-732b-7e76-93ba-d39d3dc05007" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HostingArrangementServiceContractImplementationCostCapitalizedAfterAccumulatedAmortization_019e4bde-732b-77f0-b0b9-b0e8c5fded3f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HostingArrangementServiceContractImplementationCostCapitalizedAfterAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019e4bde-732b-7bb0-a534-3758a057dfbf" xlink:to="loc_us-gaap_HostingArrangementServiceContractImplementationCostCapitalizedAfterAccumulatedAmortization_019e4bde-732b-77f0-b0b9-b0e8c5fded3f" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/PROPERTYPLANTANDEQUIPMENTScheduleofDeferredImplementationCostsDetails_1" xlink:type="simple" xlink:href="spb-20260628.xsd#PROPERTYPLANTANDEQUIPMENTScheduleofDeferredImplementationCostsDetails_1"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/PROPERTYPLANTANDEQUIPMENTScheduleofDeferredImplementationCostsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019e4bde-732b-7bb0-a534-3758a057dfbf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019e4bde-732b-7e2b-b694-4b008846a4d6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019e4bde-732b-7bb0-a534-3758a057dfbf" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019e4bde-732b-7e2b-b694-4b008846a4d6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HostingArrangementServiceContractImplementationCostCapitalizedAfterAccumulatedAmortization_019e4bde-732b-77f0-b0b9-b0e8c5fded3f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HostingArrangementServiceContractImplementationCostCapitalizedAfterAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019e4bde-732b-7bb0-a534-3758a057dfbf" xlink:to="loc_us-gaap_HostingArrangementServiceContractImplementationCostCapitalizedAfterAccumulatedAmortization_019e4bde-732b-77f0-b0b9-b0e8c5fded3f" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/GOODWILLANDINTANGIBLEASSETSScheduleofChangesintheCarryingAmountofGoodwillbyReportingSegmentDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#GOODWILLANDINTANGIBLEASSETSScheduleofChangesintheCarryingAmountofGoodwillbyReportingSegmentDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/GOODWILLANDINTANGIBLEASSETSScheduleofChangesintheCarryingAmountofGoodwillbyReportingSegmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillLineItems_019e4bde-732b-71a0-82ad-7534703340d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_019e4bde-732b-7ee6-8e54-b29ce9ff0436" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfGoodwillTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GoodwillLineItems_019e4bde-732b-71a0-82ad-7534703340d8" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_019e4bde-732b-7ee6-8e54-b29ce9ff0436" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-732b-7a25-b13d-94b4167d0126" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_019e4bde-732b-7ee6-8e54-b29ce9ff0436" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-732b-7a25-b13d-94b4167d0126" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e4bde-732b-7a25-b13d-94b4167d0126_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-732b-7a25-b13d-94b4167d0126" xlink:to="loc_us-gaap_SegmentDomain_019e4bde-732b-7a25-b13d-94b4167d0126_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e4bde-732b-7817-832c-01cfb9f58e17" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-732b-7a25-b13d-94b4167d0126" xlink:to="loc_us-gaap_SegmentDomain_019e4bde-732b-7817-832c-01cfb9f58e17" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_GlobalPetSuppliesMember_019e4bde-732b-7596-ab11-c7333833552e" xlink:href="spb-20260628.xsd#spb_GlobalPetSuppliesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e4bde-732b-7817-832c-01cfb9f58e17" xlink:to="loc_spb_GlobalPetSuppliesMember_019e4bde-732b-7596-ab11-c7333833552e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_HomeAndGardenBusinessMember_019e4bde-732b-7f10-a777-91407d7bb0a4" xlink:href="spb-20260628.xsd#spb_HomeAndGardenBusinessMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e4bde-732b-7817-832c-01cfb9f58e17" xlink:to="loc_spb_HomeAndGardenBusinessMember_019e4bde-732b-7f10-a777-91407d7bb0a4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillRollForward_019e4bde-732b-7ce5-91c4-0fb08023eb2b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_019e4bde-732b-71a0-82ad-7534703340d8" xlink:to="loc_us-gaap_GoodwillRollForward_019e4bde-732b-7ce5-91c4-0fb08023eb2b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019e4bde-732b-7918-8489-45d5fc627196" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_019e4bde-732b-7ce5-91c4-0fb08023eb2b" xlink:to="loc_us-gaap_Goodwill_019e4bde-732b-7918-8489-45d5fc627196" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_019e4bde-732b-7d9e-8025-7da3fb3b300d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillForeignCurrencyTranslationGainLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_019e4bde-732b-7ce5-91c4-0fb08023eb2b" xlink:to="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_019e4bde-732b-7d9e-8025-7da3fb3b300d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019e4bde-732b-7480-b211-4d79004ec1b5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/GOODWILLANDINTANGIBLEASSETSNarrativeDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#GOODWILLANDINTANGIBLEASSETSNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/GOODWILLANDINTANGIBLEASSETSNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredIndefiniteLivedIntangibleAssetsLineItems_019e4bde-732b-7b84-8dee-d78393828c1f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AcquiredIndefiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAcquiredIndefiniteLivedIntangibleAssetsByMajorClassTable_019e4bde-732b-7a04-9289-8d21614f6811" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfAcquiredIndefiniteLivedIntangibleAssetsByMajorClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AcquiredIndefiniteLivedIntangibleAssetsLineItems_019e4bde-732b-7b84-8dee-d78393828c1f" xlink:to="loc_us-gaap_ScheduleOfAcquiredIndefiniteLivedIntangibleAssetsByMajorClassTable_019e4bde-732b-7a04-9289-8d21614f6811" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-732b-7bb3-9b8a-a4c3c8deb2ca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAcquiredIndefiniteLivedIntangibleAssetsByMajorClassTable_019e4bde-732b-7a04-9289-8d21614f6811" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-732b-7bb3-9b8a-a4c3c8deb2ca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e4bde-732b-7bb3-9b8a-a4c3c8deb2ca_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-732b-7bb3-9b8a-a4c3c8deb2ca" xlink:to="loc_us-gaap_SegmentDomain_019e4bde-732b-7bb3-9b8a-a4c3c8deb2ca_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e4bde-732b-71a6-9409-ec9f85645fd1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-732b-7bb3-9b8a-a4c3c8deb2ca" xlink:to="loc_us-gaap_SegmentDomain_019e4bde-732b-71a6-9409-ec9f85645fd1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_HomeAndPersonalCareMember_019e4bde-732b-7f32-abbd-07f5f3d375c8" xlink:href="spb-20260628.xsd#spb_HomeAndPersonalCareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e4bde-732b-71a6-9409-ec9f85645fd1" xlink:to="loc_spb_HomeAndPersonalCareMember_019e4bde-732b-7f32-abbd-07f5f3d375c8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill_019e4bde-732b-712f-8682-07773e3eb0a8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredIndefiniteLivedIntangibleAssetsLineItems_019e4bde-732b-7b84-8dee-d78393828c1f" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill_019e4bde-732b-712f-8682-07773e3eb0a8" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/GOODWILLANDINTANGIBLEASSETSScheduleofCarryingValueandAccumulatedAmortizationforIntangibleAssetsDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#GOODWILLANDINTANGIBLEASSETSScheduleofCarryingValueandAccumulatedAmortizationforIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/GOODWILLANDINTANGIBLEASSETSScheduleofCarryingValueandAccumulatedAmortizationforIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019e4bde-732b-79b1-9073-1d13080e25ac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019e4bde-732b-71b7-aa5f-114bebf6d623" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019e4bde-732b-79b1-9073-1d13080e25ac" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019e4bde-732b-71b7-aa5f-114bebf6d623" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019e4bde-732b-7f27-a5d6-d7dd58b72b85" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019e4bde-732b-71b7-aa5f-114bebf6d623" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019e4bde-732b-7f27-a5d6-d7dd58b72b85" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e4bde-732b-7f27-a5d6-d7dd58b72b85_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019e4bde-732b-7f27-a5d6-d7dd58b72b85" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e4bde-732b-7f27-a5d6-d7dd58b72b85_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e4bde-732b-7bcc-bbf5-2ea442848b69" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019e4bde-732b-7f27-a5d6-d7dd58b72b85" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e4bde-732b-7bcc-bbf5-2ea442848b69" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_019e4bde-732b-78bf-8c46-d86187e98d0e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e4bde-732b-7bcc-bbf5-2ea442848b69" xlink:to="loc_us-gaap_CustomerRelationshipsMember_019e4bde-732b-78bf-8c46-d86187e98d0e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_019e4bde-732b-726f-8796-3cbcf6d647d0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TechnologyBasedIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e4bde-732b-7bcc-bbf5-2ea442848b69" xlink:to="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_019e4bde-732b-726f-8796-3cbcf6d647d0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeNamesMember_019e4bde-732b-7894-b5d1-8fae78830424" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e4bde-732b-7bcc-bbf5-2ea442848b69" xlink:to="loc_us-gaap_TradeNamesMember_019e4bde-732b-7894-b5d1-8fae78830424" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_019e4bde-732b-7995-8f0f-8ba02a9692e6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019e4bde-732b-71b7-aa5f-114bebf6d623" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_019e4bde-732b-7995-8f0f-8ba02a9692e6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_019e4bde-732b-7995-8f0f-8ba02a9692e6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_019e4bde-732b-7995-8f0f-8ba02a9692e6" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_019e4bde-732b-7995-8f0f-8ba02a9692e6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_019e4bde-732b-7732-a3f1-5e4b88902ea8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_019e4bde-732b-7995-8f0f-8ba02a9692e6" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_019e4bde-732b-7732-a3f1-5e4b88902ea8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeNamesMember_019e4bde-732b-776a-9d4a-e06fcb0b10a3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_019e4bde-732b-7732-a3f1-5e4b88902ea8" xlink:to="loc_us-gaap_TradeNamesMember_019e4bde-732b-776a-9d4a-e06fcb0b10a3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_019e4bde-732b-71ce-b0a8-0e64f0caa402" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsNetAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019e4bde-732b-79b1-9073-1d13080e25ac" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_019e4bde-732b-71ce-b0a8-0e64f0caa402" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019e4bde-732b-78a5-9fa8-419607bff71c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_019e4bde-732b-71ce-b0a8-0e64f0caa402" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019e4bde-732b-78a5-9fa8-419607bff71c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019e4bde-732b-7246-909b-a6002bbf3106" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_019e4bde-732b-71ce-b0a8-0e64f0caa402" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019e4bde-732b-7246-909b-a6002bbf3106" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019e4bde-732b-76a6-a047-3a2cfad1c2c9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_019e4bde-732b-71ce-b0a8-0e64f0caa402" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019e4bde-732b-76a6-a047-3a2cfad1c2c9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019e4bde-732b-7373-892b-2dbfad0f50e7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_019e4bde-732b-71ce-b0a8-0e64f0caa402" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019e4bde-732b-7373-892b-2dbfad0f50e7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_019e4bde-732b-7470-abbb-afba547a2514" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_019e4bde-732b-71ce-b0a8-0e64f0caa402" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_019e4bde-732b-7470-abbb-afba547a2514" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019e4bde-732b-7d48-a6ec-4aca348087bf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_019e4bde-732b-71ce-b0a8-0e64f0caa402" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019e4bde-732b-7d48-a6ec-4aca348087bf" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_019e4bde-732b-75c3-aefb-cf80d6ab387c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019e4bde-732b-79b1-9073-1d13080e25ac" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_019e4bde-732b-75c3-aefb-cf80d6ab387c" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/DEBTScheduleofDebtDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#DEBTScheduleofDebtDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/DEBTScheduleofDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-7fa6-b2b7-cb69e5cd8aab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019e4bde-732b-772f-abcc-a2dd286c28bd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-7fa6-b2b7-cb69e5cd8aab" xlink:to="loc_us-gaap_DebtInstrumentTable_019e4bde-732b-772f-abcc-a2dd286c28bd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019e4bde-732b-78cb-86e7-f0c35401d1b8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019e4bde-732b-772f-abcc-a2dd286c28bd" xlink:to="loc_us-gaap_DebtInstrumentAxis_019e4bde-732b-78cb-86e7-f0c35401d1b8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e4bde-732b-78cb-86e7-f0c35401d1b8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019e4bde-732b-78cb-86e7-f0c35401d1b8" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e4bde-732b-78cb-86e7-f0c35401d1b8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e4bde-732b-7c4f-a863-0d4b19003e46" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019e4bde-732b-78cb-86e7-f0c35401d1b8" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e4bde-732b-7c4f-a863-0d4b19003e46" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_A3.375ExchangeableSeniorNotesDueJune12029Member_019e4bde-732b-7080-bd07-17180b2e302d" xlink:href="spb-20260628.xsd#spb_A3.375ExchangeableSeniorNotesDueJune12029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e4bde-732b-7c4f-a863-0d4b19003e46" xlink:to="loc_spb_A3.375ExchangeableSeniorNotesDueJune12029Member_019e4bde-732b-7080-bd07-17180b2e302d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_Notes500DueOctober12029Member_019e4bde-732b-7dcd-b498-72090b1d7b92" xlink:href="spb-20260628.xsd#spb_Notes500DueOctober12029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e4bde-732b-7c4f-a863-0d4b19003e46" xlink:to="loc_spb_Notes500DueOctober12029Member_019e4bde-732b-7dcd-b498-72090b1d7b92" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_Notes550DueJuly152030Member_019e4bde-732b-787e-af42-56d7940fd063" xlink:href="spb-20260628.xsd#spb_Notes550DueJuly152030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e4bde-732b-7c4f-a863-0d4b19003e46" xlink:to="loc_spb_Notes550DueJuly152030Member_019e4bde-732b-787e-af42-56d7940fd063" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_Notes3875DueMarch152031Member_019e4bde-732b-7d57-a3f0-5438a366d747" xlink:href="spb-20260628.xsd#spb_Notes3875DueMarch152031Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e4bde-732b-7c4f-a863-0d4b19003e46" xlink:to="loc_spb_Notes3875DueMarch152031Member_019e4bde-732b-7d57-a3f0-5438a366d747" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_CapitalLeasesObligationsMember_019e4bde-732b-7e54-b08c-e19b4f2137f6" xlink:href="spb-20260628.xsd#spb_CapitalLeasesObligationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e4bde-732b-7c4f-a863-0d4b19003e46" xlink:to="loc_spb_CapitalLeasesObligationsMember_019e4bde-732b-7e54-b08c-e19b4f2137f6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019e4bde-732b-7601-9181-afeee69db99a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019e4bde-732b-772f-abcc-a2dd286c28bd" xlink:to="loc_us-gaap_CreditFacilityAxis_019e4bde-732b-7601-9181-afeee69db99a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019e4bde-732b-7601-9181-afeee69db99a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_019e4bde-732b-7601-9181-afeee69db99a" xlink:to="loc_us-gaap_CreditFacilityDomain_019e4bde-732b-7601-9181-afeee69db99a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019e4bde-732b-7af9-8cac-30bb93369518" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_019e4bde-732b-7601-9181-afeee69db99a" xlink:to="loc_us-gaap_CreditFacilityDomain_019e4bde-732b-7af9-8cac-30bb93369518" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_019f3d54-daa7-76c8-9979-1f3f3828f75f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019e4bde-732b-7af9-8cac-30bb93369518" xlink:to="loc_us-gaap_SecuredDebtMember_019f3d54-daa7-76c8-9979-1f3f3828f75f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebt_019e4bde-732b-7756-9291-aa65220f3120" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SecuredDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-7fa6-b2b7-cb69e5cd8aab" xlink:to="loc_us-gaap_SecuredDebt_019e4bde-732b-7756-9291-aa65220f3120" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit_019e4bde-732b-754f-bfaa-36b89f414d52" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-7fa6-b2b7-cb69e5cd8aab" xlink:to="loc_us-gaap_LineOfCredit_019e4bde-732b-754f-bfaa-36b89f414d52" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_019e4bde-732b-7b9c-8344-8607f5258ffa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-7fa6-b2b7-cb69e5cd8aab" xlink:to="loc_us-gaap_FinanceLeaseLiability_019e4bde-732b-7b9c-8344-8607f5258ffa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndCapitalLeaseObligations_019e4bde-732b-72ef-873a-27857b0ad9e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtAndCapitalLeaseObligations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-7fa6-b2b7-cb69e5cd8aab" xlink:to="loc_us-gaap_DebtAndCapitalLeaseObligations_019e4bde-732b-72ef-873a-27857b0ad9e1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_019f9483-2739-7f86-bd2a-86bcbb50447d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-7fa6-b2b7-cb69e5cd8aab" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_019f9483-2739-7f86-bd2a-86bcbb50447d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_019e4bde-732b-79f7-9e99-9d106f83f4a8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-7fa6-b2b7-cb69e5cd8aab" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_019e4bde-732b-79f7-9e99-9d106f83f4a8" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_019e4bde-732b-706e-a08f-9143346913e6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-7fa6-b2b7-cb69e5cd8aab" xlink:to="loc_us-gaap_LongTermDebtCurrent_019e4bde-732b-706e-a08f-9143346913e6" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019e4bde-732b-7ec0-b818-32632dbe846a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-7fa6-b2b7-cb69e5cd8aab" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019e4bde-732b-7ec0-b818-32632dbe846a" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019e4bde-732b-75e6-8663-8b87e246e0a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-7fa6-b2b7-cb69e5cd8aab" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019e4bde-732b-75e6-8663-8b87e246e0a2" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/DEBTNarrativeDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#DEBTNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/DEBTNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-704a-965b-ddc5477a130f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019e4bde-732b-7016-9760-5d4c4c149976" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-704a-965b-ddc5477a130f" xlink:to="loc_us-gaap_DebtInstrumentTable_019e4bde-732b-7016-9760-5d4c4c149976" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019e4bde-732b-7a22-a32d-828f830d962a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019e4bde-732b-7016-9760-5d4c4c149976" xlink:to="loc_us-gaap_CreditFacilityAxis_019e4bde-732b-7a22-a32d-828f830d962a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019e4bde-732b-7a22-a32d-828f830d962a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_019e4bde-732b-7a22-a32d-828f830d962a" xlink:to="loc_us-gaap_CreditFacilityDomain_019e4bde-732b-7a22-a32d-828f830d962a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019e4bde-732b-7a58-95cf-c63ced0892ba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_019e4bde-732b-7a22-a32d-828f830d962a" xlink:to="loc_us-gaap_CreditFacilityDomain_019e4bde-732b-7a58-95cf-c63ced0892ba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019e4bde-732b-7bba-b565-364a58cf81d6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019e4bde-732b-7a58-95cf-c63ced0892ba" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019e4bde-732b-7bba-b565-364a58cf81d6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LetterOfCreditMember_019e4bde-732b-7ad2-b489-dfc07e4a8abe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LetterOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019e4bde-732b-7a58-95cf-c63ced0892ba" xlink:to="loc_us-gaap_LetterOfCreditMember_019e4bde-732b-7ad2-b489-dfc07e4a8abe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_019f3d61-9980-7823-9d4b-827f29f526ad" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019e4bde-732b-7a58-95cf-c63ced0892ba" xlink:to="loc_us-gaap_SecuredDebtMember_019f3d61-9980-7823-9d4b-827f29f526ad" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019e4bde-732b-7cf8-a910-2ba5a1fec9c3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019e4bde-732b-7016-9760-5d4c4c149976" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019e4bde-732b-7cf8-a910-2ba5a1fec9c3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019e4bde-732b-7cf8-a910-2ba5a1fec9c3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019e4bde-732b-7cf8-a910-2ba5a1fec9c3" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019e4bde-732b-7cf8-a910-2ba5a1fec9c3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019e4bde-732b-729d-81c6-d8efef479b13" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019e4bde-732b-7cf8-a910-2ba5a1fec9c3" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019e4bde-732b-729d-81c6-d8efef479b13" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_019e4bde-732b-76d9-85fd-e25508d35e34" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019e4bde-732b-729d-81c6-d8efef479b13" xlink:to="loc_us-gaap_LineOfCreditMember_019e4bde-732b-76d9-85fd-e25508d35e34" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_019e4bde-732b-71b0-8d6a-3be86634bb21" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019e4bde-732b-729d-81c6-d8efef479b13" xlink:to="loc_us-gaap_SeniorNotesMember_019e4bde-732b-71b0-8d6a-3be86634bb21" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_019e4bde-732b-7998-88bc-70b3fab28ec3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019e4bde-732b-729d-81c6-d8efef479b13" xlink:to="loc_us-gaap_ConvertibleDebtMember_019e4bde-732b-7998-88bc-70b3fab28ec3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019e4bde-732b-76ca-b38e-7a1f60c7f492" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019e4bde-732b-7016-9760-5d4c4c149976" xlink:to="loc_us-gaap_DebtInstrumentAxis_019e4bde-732b-76ca-b38e-7a1f60c7f492" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e4bde-732b-76ca-b38e-7a1f60c7f492_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019e4bde-732b-76ca-b38e-7a1f60c7f492" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e4bde-732b-76ca-b38e-7a1f60c7f492_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e4bde-732b-7ec0-9355-cd963dd5c10e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019e4bde-732b-76ca-b38e-7a1f60c7f492" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e4bde-732b-7ec0-9355-cd963dd5c10e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_A3.375ExchangeableSeniorNotesDueJune12029Member_019e4bde-732b-7815-9ad7-83510d2cba55" xlink:href="spb-20260628.xsd#spb_A3.375ExchangeableSeniorNotesDueJune12029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e4bde-732b-7ec0-9355-cd963dd5c10e" xlink:to="loc_spb_A3.375ExchangeableSeniorNotesDueJune12029Member_019e4bde-732b-7815-9ad7-83510d2cba55" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_HPCTermLoanMember_019f3d61-9980-74e5-bf16-861c1573bfd6" xlink:href="spb-20260628.xsd#spb_HPCTermLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e4bde-732b-7ec0-9355-cd963dd5c10e" xlink:to="loc_spb_HPCTermLoanMember_019f3d61-9980-74e5-bf16-861c1573bfd6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_019f2758-8ac3-7494-8ab7-7cfb561f99d7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019e4bde-732b-7016-9760-5d4c4c149976" xlink:to="loc_us-gaap_VariableRateAxis_019f2758-8ac3-7494-8ab7-7cfb561f99d7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_019f2758-8ac3-7494-8ab7-7cfb561f99d7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_019f2758-8ac3-7494-8ab7-7cfb561f99d7" xlink:to="loc_us-gaap_VariableRateDomain_019f2758-8ac3-7494-8ab7-7cfb561f99d7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_019f2758-8ac3-7ba6-b550-b88d5a2e11e9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_019f2758-8ac3-7494-8ab7-7cfb561f99d7" xlink:to="loc_us-gaap_VariableRateDomain_019f2758-8ac3-7ba6-b550-b88d5a2e11e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_019f2758-8ac3-7120-876b-0a3924909d51" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SecuredOvernightFinancingRateSofrMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_019f2758-8ac3-7ba6-b550-b88d5a2e11e9" xlink:to="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_019f2758-8ac3-7120-876b-0a3924909d51" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BaseRateMember_019f2758-8ac3-7102-8205-5930cbf6acaa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BaseRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_019f2758-8ac3-7ba6-b550-b88d5a2e11e9" xlink:to="loc_us-gaap_BaseRateMember_019f2758-8ac3-7102-8205-5930cbf6acaa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit_019e4bde-732b-7774-bb1a-8156b764db2a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-704a-965b-ddc5477a130f" xlink:to="loc_us-gaap_LineOfCredit_019e4bde-732b-7774-bb1a-8156b764db2a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019e4bde-732b-77c6-ab98-1f34ac6fb68c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-704a-965b-ddc5477a130f" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019e4bde-732b-77c6-ab98-1f34ac6fb68c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_019e4bde-732b-7b52-b886-c8091db416f1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-704a-965b-ddc5477a130f" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_019e4bde-732b-7b52-b886-c8091db416f1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019e4bde-732b-7ae0-8950-a04146fadaa8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-704a-965b-ddc5477a130f" xlink:to="loc_us-gaap_LongTermDebt_019e4bde-732b-7ae0-8950-a04146fadaa8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019e4bde-732b-75d5-88ca-e877ce5ee954" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-704a-965b-ddc5477a130f" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019e4bde-732b-75d5-88ca-e877ce5ee954" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_019e4bde-732b-7846-9be6-41d1f5336c11" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-704a-965b-ddc5477a130f" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_019e4bde-732b-7846-9be6-41d1f5336c11" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1_019e4bde-732b-7286-9c5b-9c644c8f8a03" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentConvertibleConversionRatio1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-704a-965b-ddc5477a130f" xlink:to="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1_019e4bde-732b-7286-9c5b-9c644c8f8a03" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1_019e4bde-732b-7555-9762-b3e212d530c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-704a-965b-ddc5477a130f" xlink:to="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1_019e4bde-732b-7555-9762-b3e212d530c5" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_DebtInstrumentConvertibleCapPrice_019e4bde-732b-7c0c-8ce6-30f27b6e4a2b" xlink:href="spb-20260628.xsd#spb_DebtInstrumentConvertibleCapPrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-704a-965b-ddc5477a130f" xlink:to="loc_spb_DebtInstrumentConvertibleCapPrice_019e4bde-732b-7c0c-8ce6-30f27b6e4a2b" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019f3d61-9980-7512-bc98-26c14a472808" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-704a-965b-ddc5477a130f" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019f3d61-9980-7512-bc98-26c14a472808" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_DebtInstrumentTermOptionToExtend_019f3d61-9980-709e-b882-2f0b660eba40" xlink:href="spb-20260628.xsd#spb_DebtInstrumentTermOptionToExtend"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-704a-965b-ddc5477a130f" xlink:to="loc_spb_DebtInstrumentTermOptionToExtend_019f3d61-9980-709e-b882-2f0b660eba40" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019f3d61-9980-73d1-ad54-4616f297dece" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-704a-965b-ddc5477a130f" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019f3d61-9980-73d1-ad54-4616f297dece" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_019f3d61-9980-72f8-aea4-ed624d99187a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-704a-965b-ddc5477a130f" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_019f3d61-9980-72f8-aea4-ed624d99187a" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_019f3d61-9980-7616-a5d0-724b0b970129" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e4bde-732b-704a-965b-ddc5477a130f" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_019f3d61-9980-7616-a5d0-724b0b970129" xlink:type="arc" order="13"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/REDEEMABLENONCONTROLLINGINTERESTNarrativeDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#REDEEMABLENONCONTROLLINGINTERESTNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/REDEEMABLENONCONTROLLINGINTERESTNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityLineItems_019fce68-8d95-7a87-b084-f1ceb4c0a228" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityByClassOfStockTable_019f277e-f406-7c2f-b573-fd252fc0bbdf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityByClassOfStockTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_TemporaryEquityLineItems_019fce68-8d95-7a87-b084-f1ceb4c0a228" xlink:to="loc_us-gaap_TemporaryEquityByClassOfStockTable_019f277e-f406-7c2f-b573-fd252fc0bbdf" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_019fce68-8d95-7442-9ac9-2f5076a92687" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_TemporaryEquityByClassOfStockTable_019f277e-f406-7c2f-b573-fd252fc0bbdf" xlink:to="loc_srt_CounterpartyNameAxis_019fce68-8d95-7442-9ac9-2f5076a92687" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fce68-8d95-7442-9ac9-2f5076a92687_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_019fce68-8d95-7442-9ac9-2f5076a92687" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fce68-8d95-7442-9ac9-2f5076a92687_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fce68-8d95-71f6-a1e2-a743550a5a3c" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_019fce68-8d95-7442-9ac9-2f5076a92687" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fce68-8d95-71f6-a1e2-a743550a5a3c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_OaktreeCapitalManagementL.P.Member_019fce68-8d95-7907-9efd-ea08880aa128" xlink:href="spb-20260628.xsd#spb_OaktreeCapitalManagementL.P.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fce68-8d95-71f6-a1e2-a743550a5a3c" xlink:to="loc_spb_OaktreeCapitalManagementL.P.Member_019fce68-8d95-7907-9efd-ea08880aa128" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_019fce68-8d95-74c1-9c72-00af6f936ef9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_TemporaryEquityByClassOfStockTable_019f277e-f406-7c2f-b573-fd252fc0bbdf" xlink:to="loc_us-gaap_AssetAcquisitionAxis_019fce68-8d95-74c1-9c72-00af6f936ef9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_019fce68-8d95-74c1-9c72-00af6f936ef9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_019fce68-8d95-74c1-9c72-00af6f936ef9" xlink:to="loc_us-gaap_AssetAcquisitionDomain_019fce68-8d95-74c1-9c72-00af6f936ef9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_019fce68-8d95-700e-a77c-573c5c081b13" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_019fce68-8d95-74c1-9c72-00af6f936ef9" xlink:to="loc_us-gaap_AssetAcquisitionDomain_019fce68-8d95-700e-a77c-573c5c081b13" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_SpectrumBrandsHoldingsInc.Member_019fce68-8d95-74cc-a728-461830af4f47" xlink:href="spb-20260628.xsd#spb_SpectrumBrandsHoldingsInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_019fce68-8d95-700e-a77c-573c5c081b13" xlink:to="loc_spb_SpectrumBrandsHoldingsInc.Member_019fce68-8d95-74cc-a728-461830af4f47" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fce68-8d95-7cb8-9b2e-cf479e2c5f5e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_TemporaryEquityByClassOfStockTable_019f277e-f406-7c2f-b573-fd252fc0bbdf" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fce68-8d95-7cb8-9b2e-cf479e2c5f5e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fce68-8d95-7cb8-9b2e-cf479e2c5f5e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fce68-8d95-7cb8-9b2e-cf479e2c5f5e" xlink:to="loc_us-gaap_SegmentDomain_019fce68-8d95-7cb8-9b2e-cf479e2c5f5e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fce68-8d95-7480-8c75-846cfc638d92" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fce68-8d95-7cb8-9b2e-cf479e2c5f5e" xlink:to="loc_us-gaap_SegmentDomain_019fce68-8d95-7480-8c75-846cfc638d92" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_HPCSegmentMember_019fce68-8d95-7b8e-9b9a-ba92bcd92b70" xlink:href="spb-20260628.xsd#spb_HPCSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fce68-8d95-7480-8c75-846cfc638d92" xlink:to="loc_spb_HPCSegmentMember_019fce68-8d95-7b8e-9b9a-ba92bcd92b70" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_019fce68-8d95-7fb0-890d-59c1d4173541" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_TemporaryEquityByClassOfStockTable_019f277e-f406-7c2f-b573-fd252fc0bbdf" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_019fce68-8d95-7fb0-890d-59c1d4173541" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_019fce68-8d95-7fb0-890d-59c1d4173541_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_019fce68-8d95-7fb0-890d-59c1d4173541" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_019fce68-8d95-7fb0-890d-59c1d4173541_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_019fce68-8d95-7d4f-a551-46fb6bb4de47" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_019fce68-8d95-7fb0-890d-59c1d4173541" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_019fce68-8d95-7d4f-a551-46fb6bb4de47" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_019fce68-8d95-7bd3-9bfe-995bafad1062" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_019fce68-8d95-7d4f-a551-46fb6bb4de47" xlink:to="loc_us-gaap_SubsequentEventMember_019fce68-8d95-7bd3-9bfe-995bafad1062" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_AssetAcquisitionConsiderationTransferredConvertiblePreferredStockIssued_019fce68-8d95-734a-9e3e-012264e774c3" xlink:href="spb-20260628.xsd#spb_AssetAcquisitionConsiderationTransferredConvertiblePreferredStockIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TemporaryEquityLineItems_019fce68-8d95-7a87-b084-f1ceb4c0a228" xlink:to="loc_spb_AssetAcquisitionConsiderationTransferredConvertiblePreferredStockIssued_019fce68-8d95-734a-9e3e-012264e774c3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityOwnershipPercentageExcludingConsolidatedEntityAndEquityMethodInvestee_019fce68-8d95-7cce-86c5-b0c7204fe5f0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityOwnershipPercentageExcludingConsolidatedEntityAndEquityMethodInvestee"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TemporaryEquityLineItems_019fce68-8d95-7a87-b084-f1ceb4c0a228" xlink:to="loc_us-gaap_EquityOwnershipPercentageExcludingConsolidatedEntityAndEquityMethodInvestee_019fce68-8d95-7cce-86c5-b0c7204fe5f0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_019fce68-8d95-74bc-90ac-f123a3d53eb0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TemporaryEquityLineItems_019fce68-8d95-7a87-b084-f1ceb4c0a228" xlink:to="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_019fce68-8d95-74bc-90ac-f123a3d53eb0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_TemporaryEquityStockIssuanceCosts_019fce68-8d95-70ce-ba53-7acefbdebcd1" xlink:href="spb-20260628.xsd#spb_TemporaryEquityStockIssuanceCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TemporaryEquityLineItems_019fce68-8d95-7a87-b084-f1ceb4c0a228" xlink:to="loc_spb_TemporaryEquityStockIssuanceCosts_019fce68-8d95-70ce-ba53-7acefbdebcd1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendRatePercentage_019fce68-8d95-7a12-b804-429b5c4e51c2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockDividendRatePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TemporaryEquityLineItems_019fce68-8d95-7a87-b084-f1ceb4c0a228" xlink:to="loc_us-gaap_PreferredStockDividendRatePercentage_019fce68-8d95-7a12-b804-429b5c4e51c2" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/DERIVATIVESScheduleofOutstandingNotionalBalancesandMaturitiesofDerivativeInstrumentsDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#DERIVATIVESScheduleofOutstandingNotionalBalancesandMaturitiesofDerivativeInstrumentsDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/DERIVATIVESScheduleofOutstandingNotionalBalancesandMaturitiesofDerivativeInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019e4bde-732c-7143-a18c-e69e7afad1c3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019e4bde-732c-74bb-a57b-5e17a0530c91" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019e4bde-732c-7143-a18c-e69e7afad1c3" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019e4bde-732c-74bb-a57b-5e17a0530c91" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7996-86d6-2b6a5bca3546" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019e4bde-732c-74bb-a57b-5e17a0530c91" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7996-86d6-2b6a5bca3546" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-7996-86d6-2b6a5bca3546_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7996-86d6-2b6a5bca3546" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-7996-86d6-2b6a5bca3546_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-7f10-a018-189127074108" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7996-86d6-2b6a5bca3546" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-7f10-a018-189127074108" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_019e4bde-732c-7d04-8877-2f524751259a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-7f10-a018-189127074108" xlink:to="loc_us-gaap_ForeignExchangeContractMember_019e4bde-732c-7d04-8877-2f524751259a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019e4bde-732c-7f42-8e12-19444f9d4aa2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019e4bde-732c-74bb-a57b-5e17a0530c91" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019e4bde-732c-7f42-8e12-19444f9d4aa2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_019e4bde-732c-7f42-8e12-19444f9d4aa2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019e4bde-732c-7f42-8e12-19444f9d4aa2" xlink:to="loc_us-gaap_HedgingRelationshipDomain_019e4bde-732c-7f42-8e12-19444f9d4aa2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_019e4bde-732c-79dc-b4ac-7593adf03242" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019e4bde-732c-7f42-8e12-19444f9d4aa2" xlink:to="loc_us-gaap_HedgingRelationshipDomain_019e4bde-732c-79dc-b4ac-7593adf03242" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_019e4bde-732c-7906-8463-c5bca8ad01ba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashFlowHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_019e4bde-732c-79dc-b4ac-7593adf03242" xlink:to="loc_us-gaap_CashFlowHedgingMember_019e4bde-732c-7906-8463-c5bca8ad01ba" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019e4bde-732c-7a7a-a7ba-099f14ce67e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019e4bde-732c-74bb-a57b-5e17a0530c91" xlink:to="loc_us-gaap_HedgingDesignationAxis_019e4bde-732c-7a7a-a7ba-099f14ce67e3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e4bde-732c-7a7a-a7ba-099f14ce67e3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_019e4bde-732c-7a7a-a7ba-099f14ce67e3" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e4bde-732c-7a7a-a7ba-099f14ce67e3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e4bde-732c-78e5-8baa-12cd6123a122" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_019e4bde-732c-7a7a-a7ba-099f14ce67e3" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e4bde-732c-78e5-8baa-12cd6123a122" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_019e4bde-732c-74b0-b94c-f432195c1580" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019e4bde-732c-78e5-8baa-12cd6123a122" xlink:to="loc_us-gaap_NondesignatedMember_019e4bde-732c-74b0-b94c-f432195c1580" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_019e4bde-732c-7dd1-87b8-8020082719c4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019e4bde-732c-7143-a18c-e69e7afad1c3" xlink:to="loc_us-gaap_DerivativeNotionalAmount_019e4bde-732c-7dd1-87b8-8020082719c4" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/DERIVATIVESScheduleofFairValueofOutstandingDerivativeInstrumentsDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#DERIVATIVESScheduleofFairValueofOutstandingDerivativeInstrumentsDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/DERIVATIVESScheduleofFairValueofOutstandingDerivativeInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_019e4bde-732c-7863-a86f-664c6088eac3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativesFairValueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019e4bde-732c-7eb1-85ec-9c3bd5a0d0cb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019e4bde-732c-7863-a86f-664c6088eac3" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019e4bde-732c-7eb1-85ec-9c3bd5a0d0cb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7d0a-9f3d-47b23e62220c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019e4bde-732c-7eb1-85ec-9c3bd5a0d0cb" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7d0a-9f3d-47b23e62220c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-7d0a-9f3d-47b23e62220c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7d0a-9f3d-47b23e62220c" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-7d0a-9f3d-47b23e62220c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-749d-9c8e-7ce25770c4ac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7d0a-9f3d-47b23e62220c" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-749d-9c8e-7ce25770c4ac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_019e4bde-732c-7d02-84ec-2a750cb350ea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-749d-9c8e-7ce25770c4ac" xlink:to="loc_us-gaap_ForeignExchangeContractMember_019e4bde-732c-7d02-84ec-2a750cb350ea" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionLocationBalanceAxis_019e4bde-732c-799f-b4c4-8e5b1dc8c56c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOfFinancialPositionLocationBalanceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019e4bde-732c-7eb1-85ec-9c3bd5a0d0cb" xlink:to="loc_us-gaap_StatementOfFinancialPositionLocationBalanceAxis_019e4bde-732c-799f-b4c4-8e5b1dc8c56c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019e4bde-732c-7151-9666-7caaa46d228d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019e4bde-732c-7eb1-85ec-9c3bd5a0d0cb" xlink:to="loc_us-gaap_HedgingDesignationAxis_019e4bde-732c-7151-9666-7caaa46d228d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e4bde-732c-7151-9666-7caaa46d228d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_019e4bde-732c-7151-9666-7caaa46d228d" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e4bde-732c-7151-9666-7caaa46d228d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e4bde-732c-7c07-b5d8-8c30fa484bb1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_019e4bde-732c-7151-9666-7caaa46d228d" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e4bde-732c-7c07-b5d8-8c30fa484bb1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019e4bde-732c-7f18-952b-9a020408ae51" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019e4bde-732c-7c07-b5d8-8c30fa484bb1" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019e4bde-732c-7f18-952b-9a020408ae51" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_019e4bde-732c-70bb-9bda-aa6b1f6e0436" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019e4bde-732c-7c07-b5d8-8c30fa484bb1" xlink:to="loc_us-gaap_NondesignatedMember_019e4bde-732c-70bb-9bda-aa6b1f6e0436" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_019e4bde-732c-7b87-95db-b5741181e63e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019e4bde-732c-7863-a86f-664c6088eac3" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_019e4bde-732c-7b87-95db-b5741181e63e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_019e4bde-732c-7ed7-a7dc-de07d7485471" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019e4bde-732c-7863-a86f-664c6088eac3" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_019e4bde-732c-7ed7-a7dc-de07d7485471" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/DERIVATIVESScheduleofFairValueofOutstandingDerivativeInstrumentsDetails_1" xlink:type="simple" xlink:href="spb-20260628.xsd#DERIVATIVESScheduleofFairValueofOutstandingDerivativeInstrumentsDetails_1"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/DERIVATIVESScheduleofFairValueofOutstandingDerivativeInstrumentsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_019e4bde-732c-7863-a86f-664c6088eac3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativesFairValueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019e4bde-732c-7eb1-85ec-9c3bd5a0d0cb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019e4bde-732c-7863-a86f-664c6088eac3" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019e4bde-732c-7eb1-85ec-9c3bd5a0d0cb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7d0a-9f3d-47b23e62220c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019e4bde-732c-7eb1-85ec-9c3bd5a0d0cb" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7d0a-9f3d-47b23e62220c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-7d0a-9f3d-47b23e62220c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7d0a-9f3d-47b23e62220c" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-7d0a-9f3d-47b23e62220c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-749d-9c8e-7ce25770c4ac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7d0a-9f3d-47b23e62220c" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-749d-9c8e-7ce25770c4ac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_019e4bde-732c-7d02-84ec-2a750cb350ea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-749d-9c8e-7ce25770c4ac" xlink:to="loc_us-gaap_ForeignExchangeContractMember_019e4bde-732c-7d02-84ec-2a750cb350ea" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019e4bde-732c-7151-9666-7caaa46d228d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019e4bde-732c-7eb1-85ec-9c3bd5a0d0cb" xlink:to="loc_us-gaap_HedgingDesignationAxis_019e4bde-732c-7151-9666-7caaa46d228d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e4bde-732c-7151-9666-7caaa46d228d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_019e4bde-732c-7151-9666-7caaa46d228d" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e4bde-732c-7151-9666-7caaa46d228d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e4bde-732c-7c07-b5d8-8c30fa484bb1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_019e4bde-732c-7151-9666-7caaa46d228d" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e4bde-732c-7c07-b5d8-8c30fa484bb1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019e4bde-732c-7f18-952b-9a020408ae51" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019e4bde-732c-7c07-b5d8-8c30fa484bb1" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019e4bde-732c-7f18-952b-9a020408ae51" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_019e4bde-732c-70bb-9bda-aa6b1f6e0436" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019e4bde-732c-7c07-b5d8-8c30fa484bb1" xlink:to="loc_us-gaap_NondesignatedMember_019e4bde-732c-70bb-9bda-aa6b1f6e0436" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_019e4bde-732c-7b87-95db-b5741181e63e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019e4bde-732c-7863-a86f-664c6088eac3" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_019e4bde-732c-7b87-95db-b5741181e63e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_019e4bde-732c-7ed7-a7dc-de07d7485471" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019e4bde-732c-7863-a86f-664c6088eac3" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_019e4bde-732c-7ed7-a7dc-de07d7485471" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/DERIVATIVESScheduleofPreTaxGainLossfromDerivativeInstrumentsandLocationinCondensedConsolidatedStatementsofIncomeDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#DERIVATIVESScheduleofPreTaxGainLossfromDerivativeInstrumentsandLocationinCondensedConsolidatedStatementsofIncomeDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/DERIVATIVESScheduleofPreTaxGainLossfromDerivativeInstrumentsandLocationinCondensedConsolidatedStatementsofIncomeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019e4bde-732c-703a-9abe-3af20c477a90" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019e4bde-732c-78bd-9cd2-e04a5c296fa2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019e4bde-732c-703a-9abe-3af20c477a90" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019e4bde-732c-78bd-9cd2-e04a5c296fa2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7cb0-bde3-2e9e2b263e0c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019e4bde-732c-78bd-9cd2-e04a5c296fa2" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7cb0-bde3-2e9e2b263e0c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-7cb0-bde3-2e9e2b263e0c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7cb0-bde3-2e9e2b263e0c" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-7cb0-bde3-2e9e2b263e0c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-770c-8954-ee81fc0db005" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7cb0-bde3-2e9e2b263e0c" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-770c-8954-ee81fc0db005" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_019e4bde-732c-7f21-8e93-299d1bdbcf64" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-770c-8954-ee81fc0db005" xlink:to="loc_us-gaap_ForeignExchangeContractMember_019e4bde-732c-7f21-8e93-299d1bdbcf64" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfIncomeLocationBalanceAxis_019e4bde-732c-774c-8e1c-e28da216cc77" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOfIncomeLocationBalanceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019e4bde-732c-78bd-9cd2-e04a5c296fa2" xlink:to="loc_us-gaap_StatementOfIncomeLocationBalanceAxis_019e4bde-732c-774c-8e1c-e28da216cc77" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_019e4bde-732c-799e-9813-c86f64f7123a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019e4bde-732c-703a-9abe-3af20c477a90" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_019e4bde-732c-799e-9813-c86f64f7123a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnOilAndGasHedgingActivity_019e4bde-732c-7755-bdc4-7176f16d202e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnOilAndGasHedgingActivity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019e4bde-732c-703a-9abe-3af20c477a90" xlink:to="loc_us-gaap_GainLossOnOilAndGasHedgingActivity_019e4bde-732c-7755-bdc4-7176f16d202e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_019e4bde-732c-7174-be46-57ff1647644e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019e4bde-732c-703a-9abe-3af20c477a90" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_019e4bde-732c-7174-be46-57ff1647644e" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/DERIVATIVESScheduleofPreTaxGainLossfromDerivativeInstrumentsandLocationinCondensedConsolidatedStatementsofIncomeDetails_1" xlink:type="simple" xlink:href="spb-20260628.xsd#DERIVATIVESScheduleofPreTaxGainLossfromDerivativeInstrumentsandLocationinCondensedConsolidatedStatementsofIncomeDetails_1"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/DERIVATIVESScheduleofPreTaxGainLossfromDerivativeInstrumentsandLocationinCondensedConsolidatedStatementsofIncomeDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019e4bde-732c-703a-9abe-3af20c477a90" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019e4bde-732c-78bd-9cd2-e04a5c296fa2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019e4bde-732c-703a-9abe-3af20c477a90" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019e4bde-732c-78bd-9cd2-e04a5c296fa2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7cb0-bde3-2e9e2b263e0c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019e4bde-732c-78bd-9cd2-e04a5c296fa2" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7cb0-bde3-2e9e2b263e0c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-7cb0-bde3-2e9e2b263e0c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7cb0-bde3-2e9e2b263e0c" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-7cb0-bde3-2e9e2b263e0c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-770c-8954-ee81fc0db005" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-7cb0-bde3-2e9e2b263e0c" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-770c-8954-ee81fc0db005" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_019e4bde-732c-7f21-8e93-299d1bdbcf64" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-770c-8954-ee81fc0db005" xlink:to="loc_us-gaap_ForeignExchangeContractMember_019e4bde-732c-7f21-8e93-299d1bdbcf64" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_019e4bde-732c-799e-9813-c86f64f7123a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019e4bde-732c-703a-9abe-3af20c477a90" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_019e4bde-732c-799e-9813-c86f64f7123a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnOilAndGasHedgingActivity_019e4bde-732c-7755-bdc4-7176f16d202e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnOilAndGasHedgingActivity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019e4bde-732c-703a-9abe-3af20c477a90" xlink:to="loc_us-gaap_GainLossOnOilAndGasHedgingActivity_019e4bde-732c-7755-bdc4-7176f16d202e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_019e4bde-732c-7174-be46-57ff1647644e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019e4bde-732c-703a-9abe-3af20c477a90" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_019e4bde-732c-7174-be46-57ff1647644e" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/DERIVATIVESNarrativeDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#DERIVATIVESNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/DERIVATIVESNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_019e4bde-732c-7448-b7be-da48ea767130" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_019e4bde-732c-7811-ac6a-4875034269b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_019e4bde-732c-7448-b7be-da48ea767130" xlink:to="loc_us-gaap_DerivativeTable_019e4bde-732c-7811-ac6a-4875034269b9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-713e-a3b3-c05c1f7e2438" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_019e4bde-732c-7811-ac6a-4875034269b9" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-713e-a3b3-c05c1f7e2438" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-713e-a3b3-c05c1f7e2438_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-713e-a3b3-c05c1f7e2438" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-713e-a3b3-c05c1f7e2438_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-726c-9f1b-5957a79d1fe8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e4bde-732c-713e-a3b3-c05c1f7e2438" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-726c-9f1b-5957a79d1fe8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_019e4bde-732c-78ff-857b-feb064949e2b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e4bde-732c-726c-9f1b-5957a79d1fe8" xlink:to="loc_us-gaap_ForeignExchangeContractMember_019e4bde-732c-78ff-857b-feb064949e2b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019e4bde-732c-7f1a-858c-4144c618ed76" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_019e4bde-732c-7811-ac6a-4875034269b9" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019e4bde-732c-7f1a-858c-4144c618ed76" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_019e4bde-732c-7f1a-858c-4144c618ed76_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019e4bde-732c-7f1a-858c-4144c618ed76" xlink:to="loc_us-gaap_HedgingRelationshipDomain_019e4bde-732c-7f1a-858c-4144c618ed76_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_019e4bde-732c-7929-b106-a9c485cb232a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019e4bde-732c-7f1a-858c-4144c618ed76" xlink:to="loc_us-gaap_HedgingRelationshipDomain_019e4bde-732c-7929-b106-a9c485cb232a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_019e4bde-732c-7c2a-9007-dcf3a78d9941" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashFlowHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_019e4bde-732c-7929-b106-a9c485cb232a" xlink:to="loc_us-gaap_CashFlowHedgingMember_019e4bde-732c-7c2a-9007-dcf3a78d9941" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months_019e4bde-732c-78af-8a3e-87c45002e666" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019e4bde-732c-7448-b7be-da48ea767130" xlink:to="loc_us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months_019e4bde-732c-78af-8a3e-87c45002e666" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/FAIRVALUEOFFINANCIALINSTRUMENTSDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#FAIRVALUEOFFINANCIALINSTRUMENTSDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/FAIRVALUEOFFINANCIALINSTRUMENTSDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e4bde-732c-7274-88e9-9d584d92c909" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019e4bde-732c-7d41-a734-bb768ce632b3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e4bde-732c-7274-88e9-9d584d92c909" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019e4bde-732c-7d41-a734-bb768ce632b3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e4bde-732c-7421-831b-0651ee513f40" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019e4bde-732c-7d41-a734-bb768ce632b3" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e4bde-732c-7421-831b-0651ee513f40" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e4bde-732c-7421-831b-0651ee513f40_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e4bde-732c-7421-831b-0651ee513f40" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e4bde-732c-7421-831b-0651ee513f40_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e4bde-732c-7f3b-af08-1fa81246ab51" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e4bde-732c-7421-831b-0651ee513f40" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e4bde-732c-7f3b-af08-1fa81246ab51" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_019e4bde-732c-70f6-8234-e7b97934d5ff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e4bde-732c-7f3b-af08-1fa81246ab51" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_019e4bde-732c-70f6-8234-e7b97934d5ff" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_019e4bde-732c-7bb7-b03f-9de33f638b33" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e4bde-732c-7f3b-af08-1fa81246ab51" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_019e4bde-732c-7bb7-b03f-9de33f638b33" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_019e4bde-732c-7674-9ebd-5d593e1ee2cc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e4bde-732c-7f3b-af08-1fa81246ab51" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_019e4bde-732c-7674-9ebd-5d593e1ee2cc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_019e4bde-732c-72cc-842f-848bb052689e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019e4bde-732c-7d41-a734-bb768ce632b3" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_019e4bde-732c-72cc-842f-848bb052689e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019e4bde-732c-72cc-842f-848bb052689e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_019e4bde-732c-72cc-842f-848bb052689e" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019e4bde-732c-72cc-842f-848bb052689e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_019e4bde-732c-7ad2-8fa4-94af46b7a05b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_019e4bde-732c-72cc-842f-848bb052689e" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_019e4bde-732c-7ad2-8fa4-94af46b7a05b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019e4bde-732c-7b42-bc9e-daef1257dfc0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_019e4bde-732c-7ad2-8fa4-94af46b7a05b" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019e4bde-732c-7b42-bc9e-daef1257dfc0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_019e4bde-732c-7549-b5c2-445c44325bc0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019e4bde-732c-7b42-bc9e-daef1257dfc0" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_019e4bde-732c-7549-b5c2-445c44325bc0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_019e4bde-732c-7d0a-92aa-63763fdd0f8b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019e4bde-732c-7b42-bc9e-daef1257dfc0" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_019e4bde-732c-7d0a-92aa-63763fdd0f8b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_019e4bde-732c-77d3-995a-34169a4cfc86" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e4bde-732c-7274-88e9-9d584d92c909" xlink:to="loc_us-gaap_DerivativeAssets_019e4bde-732c-77d3-995a-34169a4cfc86" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_019e4bde-732c-7e6b-9d6d-408b7c05616f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e4bde-732c-7274-88e9-9d584d92c909" xlink:to="loc_us-gaap_DerivativeLiabilities_019e4bde-732c-7e6b-9d6d-408b7c05616f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFairValue_019e4bde-732c-7f13-8351-99ce07c3e73a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019e4bde-732c-7274-88e9-9d584d92c909" xlink:to="loc_us-gaap_DebtInstrumentFairValue_019e4bde-732c-7f13-8351-99ce07c3e73a" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/SHAREHOLDERSEQUITYScheduleofActivityofCommonStockRepurchaseProgramDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#SHAREHOLDERSEQUITYScheduleofActivityofCommonStockRepurchaseProgramDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/SHAREHOLDERSEQUITYScheduleofActivityofCommonStockRepurchaseProgramDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityClassOfTreasuryStockLineItems_019e4bde-732c-73e6-95cf-71a3807ce21f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityClassOfTreasuryStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfTreasuryStockTable_019e4bde-732c-7b5f-aa4c-6f6e271a92de" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfTreasuryStockTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_019e4bde-732c-73e6-95cf-71a3807ce21f" xlink:to="loc_us-gaap_ClassOfTreasuryStockTable_019e4bde-732c-7b5f-aa4c-6f6e271a92de" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramAxis_019e4bde-732c-779e-98df-c5cb0276cc4e" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ShareRepurchaseProgramAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfTreasuryStockTable_019e4bde-732c-7b5f-aa4c-6f6e271a92de" xlink:to="loc_srt_ShareRepurchaseProgramAxis_019e4bde-732c-779e-98df-c5cb0276cc4e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramDomain_019e4bde-732c-779e-98df-c5cb0276cc4e_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ShareRepurchaseProgramDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ShareRepurchaseProgramAxis_019e4bde-732c-779e-98df-c5cb0276cc4e" xlink:to="loc_srt_ShareRepurchaseProgramDomain_019e4bde-732c-779e-98df-c5cb0276cc4e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramDomain_019e4bde-732c-7ff2-bb7d-df7d903b5907" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ShareRepurchaseProgramDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ShareRepurchaseProgramAxis_019e4bde-732c-779e-98df-c5cb0276cc4e" xlink:to="loc_srt_ShareRepurchaseProgramDomain_019e4bde-732c-7ff2-bb7d-df7d903b5907" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_OpenMarketPurchasesMember_019e4bde-732c-7097-a449-9c5ac90b2afc" xlink:href="spb-20260628.xsd#spb_OpenMarketPurchasesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ShareRepurchaseProgramDomain_019e4bde-732c-7ff2-bb7d-df7d903b5907" xlink:to="loc_spb_OpenMarketPurchasesMember_019e4bde-732c-7097-a449-9c5ac90b2afc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019e4bde-732c-7ce9-8dc0-8014df1a65b5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfTreasuryStockTable_019e4bde-732c-7b5f-aa4c-6f6e271a92de" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019e4bde-732c-7ce9-8dc0-8014df1a65b5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e4bde-732c-7ce9-8dc0-8014df1a65b5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e4bde-732c-7ce9-8dc0-8014df1a65b5" xlink:to="loc_us-gaap_EquityComponentDomain_019e4bde-732c-7ce9-8dc0-8014df1a65b5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e4bde-732c-7112-a476-fefec38cc14c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e4bde-732c-7ce9-8dc0-8014df1a65b5" xlink:to="loc_us-gaap_EquityComponentDomain_019e4bde-732c-7112-a476-fefec38cc14c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_019e4bde-732c-7b7f-ac2e-5e0fb2a614b0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e4bde-732c-7112-a476-fefec38cc14c" xlink:to="loc_us-gaap_TreasuryStockCommonMember_019e4bde-732c-7b7f-ac2e-5e0fb2a614b0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_019e4bde-732c-77af-9349-168209632c55" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockSharesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_019e4bde-732c-73e6-95cf-71a3807ce21f" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_019e4bde-732c-77af-9349-168209632c55" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_019e4bde-732c-7084-a056-e1579b3ca5c6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockAcquiredAverageCostPerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_019e4bde-732c-73e6-95cf-71a3807ce21f" xlink:to="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_019e4bde-732c-7084-a056-e1579b3ca5c6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_019e4bde-732c-7228-bae2-723531bc0c96" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_019e4bde-732c-73e6-95cf-71a3807ce21f" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_019e4bde-732c-7228-bae2-723531bc0c96" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/SHAREHOLDERSEQUITYNarrativeDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#SHAREHOLDERSEQUITYNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/SHAREHOLDERSEQUITYNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityClassOfTreasuryStockLineItems_019e4bde-732c-7eaf-ab4b-7d531f9993cb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityClassOfTreasuryStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfTreasuryStockTable_019e4bde-732c-7bf8-b4f1-40cd0397887e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfTreasuryStockTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_019e4bde-732c-7eaf-ab4b-7d531f9993cb" xlink:to="loc_us-gaap_ClassOfTreasuryStockTable_019e4bde-732c-7bf8-b4f1-40cd0397887e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramAxis_019e4bde-732c-70e1-b4f7-42de1674738c" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ShareRepurchaseProgramAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfTreasuryStockTable_019e4bde-732c-7bf8-b4f1-40cd0397887e" xlink:to="loc_srt_ShareRepurchaseProgramAxis_019e4bde-732c-70e1-b4f7-42de1674738c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramDomain_019e4bde-732c-70e1-b4f7-42de1674738c_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ShareRepurchaseProgramDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ShareRepurchaseProgramAxis_019e4bde-732c-70e1-b4f7-42de1674738c" xlink:to="loc_srt_ShareRepurchaseProgramDomain_019e4bde-732c-70e1-b4f7-42de1674738c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramDomain_019e4bde-732c-75bc-8116-740fba077f43" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ShareRepurchaseProgramDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ShareRepurchaseProgramAxis_019e4bde-732c-70e1-b4f7-42de1674738c" xlink:to="loc_srt_ShareRepurchaseProgramDomain_019e4bde-732c-75bc-8116-740fba077f43" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_OpenMarketPurchasesMember_019e4bde-732c-780c-b7b3-fc762598565e" xlink:href="spb-20260628.xsd#spb_OpenMarketPurchasesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ShareRepurchaseProgramDomain_019e4bde-732c-75bc-8116-740fba077f43" xlink:to="loc_spb_OpenMarketPurchasesMember_019e4bde-732c-780c-b7b3-fc762598565e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StockRepurchaseProgramAuthorizedAmount1_019e4bde-732c-7783-8c19-13d5bffd2c6a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StockRepurchaseProgramAuthorizedAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_019e4bde-732c-7eaf-ab4b-7d531f9993cb" xlink:to="loc_srt_StockRepurchaseProgramAuthorizedAmount1_019e4bde-732c-7783-8c19-13d5bffd2c6a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_019e4bde-732c-72f9-ad51-5a5c1706307b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockSharesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_019e4bde-732c-7eaf-ab4b-7d531f9993cb" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_019e4bde-732c-72f9-ad51-5a5c1706307b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_019e4bde-732c-704f-a5c7-b0f90bfcf71b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_019e4bde-732c-7eaf-ab4b-7d531f9993cb" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_019e4bde-732c-704f-a5c7-b0f90bfcf71b" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/SHAREBASEDCOMPENSATIONScheduleofShareBasedCompensationExpenseDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#SHAREBASEDCOMPENSATIONScheduleofShareBasedCompensationExpenseDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/SHAREBASEDCOMPENSATIONScheduleofShareBasedCompensationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019eb244-06ec-7643-8065-eb6b2015a331" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019eb244-06ec-7575-9afc-cc9af50732c1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019eb244-06ec-7643-8065-eb6b2015a331" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019eb244-06ec-7575-9afc-cc9af50732c1" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019eb244-06ec-7dc5-b565-2acbf6883c13" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019eb244-06ec-7575-9afc-cc9af50732c1" xlink:to="loc_us-gaap_AwardTypeAxis_019eb244-06ec-7dc5-b565-2acbf6883c13" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019eb244-06ec-7dc5-b565-2acbf6883c13_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019eb244-06ec-7dc5-b565-2acbf6883c13" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019eb244-06ec-7dc5-b565-2acbf6883c13_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019eb244-06ec-7f72-9d53-fbba3e002caa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019eb244-06ec-7dc5-b565-2acbf6883c13" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019eb244-06ec-7f72-9d53-fbba3e002caa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_LongTermIncentivePlanAwardsMember_019f3d89-f108-7b90-b27d-69015753a6b0" xlink:href="spb-20260628.xsd#spb_LongTermIncentivePlanAwardsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019eb244-06ec-7f72-9d53-fbba3e002caa" xlink:to="loc_spb_LongTermIncentivePlanAwardsMember_019f3d89-f108-7b90-b27d-69015753a6b0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_HomeAndPersonalCareEquityUnitsMember_019eb244-c1ca-723c-96d1-7c66984fc863" xlink:href="spb-20260628.xsd#spb_HomeAndPersonalCareEquityUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019eb244-06ec-7f72-9d53-fbba3e002caa" xlink:to="loc_spb_HomeAndPersonalCareEquityUnitsMember_019eb244-c1ca-723c-96d1-7c66984fc863" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_019eb244-06ec-7769-8988-1f81ed7b2b0e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019eb244-06ec-7643-8065-eb6b2015a331" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_019eb244-06ec-7769-8988-1f81ed7b2b0e" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/SHAREBASEDCOMPENSATIONNarrativeDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#SHAREBASEDCOMPENSATIONNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/SHAREBASEDCOMPENSATIONNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019e4bde-73d6-77c4-a4fc-831931bae566" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019e4bde-73d6-742c-9399-ae37afe2159b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019e4bde-73d6-77c4-a4fc-831931bae566" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019e4bde-73d6-742c-9399-ae37afe2159b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019e4bde-73d6-7b9c-a2a5-23f62e5bec8c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019e4bde-73d6-742c-9399-ae37afe2159b" xlink:to="loc_us-gaap_AwardTypeAxis_019e4bde-73d6-7b9c-a2a5-23f62e5bec8c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019e4bde-73d6-7b9c-a2a5-23f62e5bec8c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019e4bde-73d6-7b9c-a2a5-23f62e5bec8c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019e4bde-73d6-7b9c-a2a5-23f62e5bec8c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019e4bde-73d6-782b-8cd3-443571739828" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019e4bde-73d6-7b9c-a2a5-23f62e5bec8c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019e4bde-73d6-782b-8cd3-443571739828" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_019f6a01-924d-732d-b151-767156459746" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019e4bde-73d6-782b-8cd3-443571739828" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_019f6a01-924d-732d-b151-767156459746" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_HomeAndPersonalCareEquityUnitsMember_019f6a01-924d-7b30-95ec-f1fcdb325550" xlink:href="spb-20260628.xsd#spb_HomeAndPersonalCareEquityUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019e4bde-73d6-782b-8cd3-443571739828" xlink:to="loc_spb_HomeAndPersonalCareEquityUnitsMember_019f6a01-924d-7b30-95ec-f1fcdb325550" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_019e4bde-73d6-7b62-a3ea-f1e1b24ee2c0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019e4bde-73d6-77c4-a4fc-831931bae566" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_019e4bde-73d6-7b62-a3ea-f1e1b24ee2c0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_ShareBasedPaymentAwardLiabilityBasedOutstandingNumber_019f948b-6f49-752c-8fc7-5d3c9a1a31e1" xlink:href="spb-20260628.xsd#spb_ShareBasedPaymentAwardLiabilityBasedOutstandingNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019e4bde-73d6-77c4-a4fc-831931bae566" xlink:to="loc_spb_ShareBasedPaymentAwardLiabilityBasedOutstandingNumber_019f948b-6f49-752c-8fc7-5d3c9a1a31e1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_ShareBasedPaymentArrangementLiabilityBasedAwardAmount_019f6a01-924d-74bb-bfbd-a521136b1139" xlink:href="spb-20260628.xsd#spb_ShareBasedPaymentArrangementLiabilityBasedAwardAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019e4bde-73d6-77c4-a4fc-831931bae566" xlink:to="loc_spb_ShareBasedPaymentArrangementLiabilityBasedAwardAmount_019f6a01-924d-74bb-bfbd-a521136b1139" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/ACCUMULATEDOTHERCOMPREHENSIVEINCOMEScheduleofAccumulatedOtherComprehensiveIncomeDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#ACCUMULATEDOTHERCOMPREHENSIVEINCOMEScheduleofAccumulatedOtherComprehensiveIncomeDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/ACCUMULATEDOTHERCOMPREHENSIVEINCOMEScheduleofAccumulatedOtherComprehensiveIncomeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019e4bde-732c-71bc-80cb-7c7794d93440" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019e4bde-732c-7cbe-8c69-70e78c597d98" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019e4bde-732c-71bc-80cb-7c7794d93440" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019e4bde-732c-7cbe-8c69-70e78c597d98" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019e4bde-732c-79f7-8041-9a875da85ce6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019e4bde-732c-7cbe-8c69-70e78c597d98" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019e4bde-732c-79f7-8041-9a875da85ce6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e4bde-732c-79f7-8041-9a875da85ce6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e4bde-732c-79f7-8041-9a875da85ce6" xlink:to="loc_us-gaap_EquityComponentDomain_019e4bde-732c-79f7-8041-9a875da85ce6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e4bde-732c-775e-a388-f0f9295af56a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e4bde-732c-79f7-8041-9a875da85ce6" xlink:to="loc_us-gaap_EquityComponentDomain_019e4bde-732c-775e-a388-f0f9295af56a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e4bde-732c-7530-8c66-e0f818cb512f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e4bde-732c-775e-a388-f0f9295af56a" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e4bde-732c-7530-8c66-e0f818cb512f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_019f6a18-0531-73ed-94c0-9e9410be567c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedTranslationAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e4bde-732c-7530-8c66-e0f818cb512f" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_019f6a18-0531-73ed-94c0-9e9410be567c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019f6a18-7dab-71c2-bb0f-7e05dba9a0ca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e4bde-732c-7530-8c66-e0f818cb512f" xlink:to="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019f6a18-7dab-71c2-bb0f-7e05dba9a0ca" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_019f6a18-c1c3-72e0-9cd2-273965c78f9c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e4bde-732c-7530-8c66-e0f818cb512f" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_019f6a18-c1c3-72e0-9cd2-273965c78f9c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_019e4bde-732c-7b13-9415-5c93879b51e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOperatingActivitiesSegmentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019e4bde-732c-7cbe-8c69-70e78c597d98" xlink:to="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_019e4bde-732c-7b13-9415-5c93879b51e8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentOperatingActivitiesDomain_019e4bde-732c-7b13-9415-5c93879b51e8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentOperatingActivitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_019e4bde-732c-7b13-9415-5c93879b51e8" xlink:to="loc_us-gaap_SegmentOperatingActivitiesDomain_019e4bde-732c-7b13-9415-5c93879b51e8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentOperatingActivitiesDomain_019e4bde-732c-7788-9310-f39175de9953" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentOperatingActivitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_019e4bde-732c-7b13-9415-5c93879b51e8" xlink:to="loc_us-gaap_SegmentOperatingActivitiesDomain_019e4bde-732c-7788-9310-f39175de9953" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentContinuingOperationsMember_019e4bde-732c-7427-829d-ae7894d94537" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentContinuingOperationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentOperatingActivitiesDomain_019e4bde-732c-7788-9310-f39175de9953" xlink:to="loc_us-gaap_SegmentContinuingOperationsMember_019e4bde-732c-7427-829d-ae7894d94537" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019e4bde-732c-76be-9ff5-8d5a1ba8f577" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AOCIAttributableToParentNetOfTaxRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019e4bde-732c-71bc-80cb-7c7794d93440" xlink:to="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019e4bde-732c-76be-9ff5-8d5a1ba8f577" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019e4bde-732c-7eab-b88a-2b0f40e693ff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019e4bde-732c-76be-9ff5-8d5a1ba8f577" xlink:to="loc_us-gaap_StockholdersEquity_019e4bde-732c-7eab-b88a-2b0f40e693ff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019f6a18-0531-74e0-b8c8-6c1d0b172a27" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019e4bde-732c-76be-9ff5-8d5a1ba8f577" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019f6a18-0531-74e0-b8c8-6c1d0b172a27" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_019e4bde-732c-75bf-a3a9-146c97ea1fe6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019e4bde-732c-76be-9ff5-8d5a1ba8f577" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_019e4bde-732c-75bf-a3a9-146c97ea1fe6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_019e4bde-732c-7366-a26b-8081a4a0d013" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019e4bde-732c-76be-9ff5-8d5a1ba8f577" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_019e4bde-732c-7366-a26b-8081a4a0d013" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_019e4bde-732c-7168-87ef-231b01aec479" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019e4bde-732c-76be-9ff5-8d5a1ba8f577" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_019e4bde-732c-7168-87ef-231b01aec479" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_019e4bde-732c-7c29-9d63-95f6d9117f0e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019e4bde-732c-76be-9ff5-8d5a1ba8f577" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTax_019e4bde-732c-7c29-9d63-95f6d9117f0e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019e4bde-732c-7010-baef-8f62ff26c8a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019e4bde-732c-76be-9ff5-8d5a1ba8f577" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019e4bde-732c-7010-baef-8f62ff26c8a2" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_019e4bde-732c-77af-b345-81bc5aea11e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019e4bde-732c-76be-9ff5-8d5a1ba8f577" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_019e4bde-732c-77af-b345-81bc5aea11e3" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019e4bde-732c-7a23-a74d-b356cba5bd62" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019e4bde-732c-76be-9ff5-8d5a1ba8f577" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019e4bde-732c-7a23-a74d-b356cba5bd62" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019e4bde-732c-7c09-b672-98cd06caddf9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019f6a19-bbf6-7cf1-b27c-fc468a0a8e54" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/ACCUMULATEDOTHERCOMPREHENSIVEINCOMEScheduleofReclassificationsOutofAccumulatedOtherComprehensiveIncomeDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#ACCUMULATEDOTHERCOMPREHENSIVEINCOMEScheduleofReclassificationsOutofAccumulatedOtherComprehensiveIncomeDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/ACCUMULATEDOTHERCOMPREHENSIVEINCOMEScheduleofReclassificationsOutofAccumulatedOtherComprehensiveIncomeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019e4bde-732c-7cee-9335-be9d835312f7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019e4bde-732c-76ca-be8d-92207b748792" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019e4bde-732c-7cee-9335-be9d835312f7" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019e4bde-732c-76ca-be8d-92207b748792" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019e4bde-732c-728f-8c35-b6a320cac16a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019e4bde-732c-76ca-be8d-92207b748792" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019e4bde-732c-728f-8c35-b6a320cac16a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e4bde-732c-728f-8c35-b6a320cac16a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e4bde-732c-728f-8c35-b6a320cac16a" xlink:to="loc_us-gaap_EquityComponentDomain_019e4bde-732c-728f-8c35-b6a320cac16a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e4bde-732c-75fe-ba44-ea7e5d45d338" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e4bde-732c-728f-8c35-b6a320cac16a" xlink:to="loc_us-gaap_EquityComponentDomain_019e4bde-732c-75fe-ba44-ea7e5d45d338" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019e4bde-732c-7c37-a13e-5a19d9990984" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e4bde-732c-75fe-ba44-ea7e5d45d338" xlink:to="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019e4bde-732c-7c37-a13e-5a19d9990984" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_019e4bde-732c-7d24-ac0f-ec91623ad9f9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e4bde-732c-75fe-ba44-ea7e5d45d338" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_019e4bde-732c-7d24-ac0f-ec91623ad9f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_019e4bde-732c-7885-abe9-2d3f8fb7f7c7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019e4bde-732c-76ca-be8d-92207b748792" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_019e4bde-732c-7885-abe9-2d3f8fb7f7c7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019e4bde-732c-7885-abe9-2d3f8fb7f7c7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_019e4bde-732c-7885-abe9-2d3f8fb7f7c7" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019e4bde-732c-7885-abe9-2d3f8fb7f7c7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019e4bde-732c-7765-a8f4-a7967a1ab69c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_019e4bde-732c-7885-abe9-2d3f8fb7f7c7" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019e4bde-732c-7765-a8f4-a7967a1ab69c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_019e4bde-732c-75dc-ba95-f2a93ba3b8a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019e4bde-732c-7765-a8f4-a7967a1ab69c" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_019e4bde-732c-75dc-ba95-f2a93ba3b8a2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e4bde-732c-7759-bcce-a859a749bfbf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019e4bde-732c-7cee-9335-be9d835312f7" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e4bde-732c-7759-bcce-a859a749bfbf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_019e4bde-732c-755c-91f1-4113a5c0f389" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019e4bde-732c-7cee-9335-be9d835312f7" xlink:to="loc_us-gaap_CostOfRevenue_019e4bde-732c-755c-91f1-4113a5c0f389" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019e4bde-732c-70d8-8762-ae0f2a584646" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019e4bde-732c-7cee-9335-be9d835312f7" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_019e4bde-732c-70d8-8762-ae0f2a584646" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/INCOMETAXESNarrativeDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#INCOMETAXESNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/INCOMETAXESNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxContingencyLineItems_019fc96f-3dfe-712a-9378-2506702a2a80" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxContingencyLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxContingencyTable_019fc5f0-7672-7d94-ac12-5aa8707bf54e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxContingencyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_019fc96f-3dfe-712a-9378-2506702a2a80" xlink:to="loc_us-gaap_IncomeTaxContingencyTable_019fc5f0-7672-7d94-ac12-5aa8707bf54e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxPeriodAxis_019fc96f-3dfe-77e5-a2fb-01912f35d9d6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TaxPeriodAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxContingencyTable_019fc5f0-7672-7d94-ac12-5aa8707bf54e" xlink:to="loc_us-gaap_TaxPeriodAxis_019fc96f-3dfe-77e5-a2fb-01912f35d9d6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxPeriodDomain_019fc96f-3dfe-77e5-a2fb-01912f35d9d6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TaxPeriodDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TaxPeriodAxis_019fc96f-3dfe-77e5-a2fb-01912f35d9d6" xlink:to="loc_us-gaap_TaxPeriodDomain_019fc96f-3dfe-77e5-a2fb-01912f35d9d6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxPeriodDomain_019fc96f-3dfe-78af-bc7e-99b1a9bcdeb3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TaxPeriodDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TaxPeriodAxis_019fc96f-3dfe-77e5-a2fb-01912f35d9d6" xlink:to="loc_us-gaap_TaxPeriodDomain_019fc96f-3dfe-78af-bc7e-99b1a9bcdeb3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxYear2018Member_019fc96f-3dfe-746f-b725-5f2e24926aa0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TaxYear2018Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TaxPeriodDomain_019fc96f-3dfe-78af-bc7e-99b1a9bcdeb3" xlink:to="loc_us-gaap_TaxYear2018Member_019fc96f-3dfe-746f-b725-5f2e24926aa0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxYear2025Member_019fc96f-3dfe-74c8-aa82-96782e10b72c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TaxYear2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TaxPeriodDomain_019fc96f-3dfe-78af-bc7e-99b1a9bcdeb3" xlink:to="loc_us-gaap_TaxYear2025Member_019fc96f-3dfe-74c8-aa82-96782e10b72c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fc96f-3dfe-7c28-80f5-c74fd4e60ea5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxContingencyTable_019fc5f0-7672-7d94-ac12-5aa8707bf54e" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fc96f-3dfe-7c28-80f5-c74fd4e60ea5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fc96f-3dfe-7c28-80f5-c74fd4e60ea5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fc96f-3dfe-7c28-80f5-c74fd4e60ea5" xlink:to="loc_us-gaap_SegmentDomain_019fc96f-3dfe-7c28-80f5-c74fd4e60ea5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fc96f-3dfe-7970-b607-15e9ea04488d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fc96f-3dfe-7c28-80f5-c74fd4e60ea5" xlink:to="loc_us-gaap_SegmentDomain_019fc96f-3dfe-7970-b607-15e9ea04488d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_HomeAndPersonalCareMember_019fc96f-3dfe-78ba-a03d-47ab941e1772" xlink:href="spb-20260628.xsd#spb_HomeAndPersonalCareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fc96f-3dfe-7970-b607-15e9ea04488d" xlink:to="loc_spb_HomeAndPersonalCareMember_019fc96f-3dfe-78ba-a03d-47ab941e1772" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_019fc96f-3dfe-7302-bf06-4b3cc59ff9a4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_019fc96f-3dfe-712a-9378-2506702a2a80" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_019fc96f-3dfe-7302-bf06-4b3cc59ff9a4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019fc96f-3dfe-76d0-bedb-6c53b71e8310" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_019fc96f-3dfe-712a-9378-2506702a2a80" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019fc96f-3dfe-76d0-bedb-6c53b71e8310" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings_019fc96f-3dfe-7c98-bbfd-733ea9b830ef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_019fc96f-3dfe-712a-9378-2506702a2a80" xlink:to="loc_us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings_019fc96f-3dfe-7c98-bbfd-733ea9b830ef" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxCreditsForeign_019fc96f-3dfe-761c-88bb-ae7ad1bd6db3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationTaxCreditsForeign"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_019fc96f-3dfe-712a-9378-2506702a2a80" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxCreditsForeign_019fc96f-3dfe-761c-88bb-ae7ad1bd6db3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_EffectiveIncomeTaxRateReconciliationCorporateRestructureAmount_019fc96f-3dfe-75f4-bf7d-26f24f890774" xlink:href="spb-20260628.xsd#spb_EffectiveIncomeTaxRateReconciliationCorporateRestructureAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_019fc96f-3dfe-712a-9378-2506702a2a80" xlink:to="loc_spb_EffectiveIncomeTaxRateReconciliationCorporateRestructureAmount_019fc96f-3dfe-75f4-bf7d-26f24f890774" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_CapitalLossCarrybackAmount_019fc96f-3dfe-74b6-87c8-71a4ccc59d9b" xlink:href="spb-20260628.xsd#spb_CapitalLossCarrybackAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_019fc96f-3dfe-712a-9378-2506702a2a80" xlink:to="loc_spb_CapitalLossCarrybackAmount_019fc96f-3dfe-74b6-87c8-71a4ccc59d9b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_EffectiveIncomeTaxRateReconciliationCapitalLossAmount_019fcd31-1f01-75fe-a548-a3c04427b431" xlink:href="spb-20260628.xsd#spb_EffectiveIncomeTaxRateReconciliationCapitalLossAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_019fc96f-3dfe-712a-9378-2506702a2a80" xlink:to="loc_spb_EffectiveIncomeTaxRateReconciliationCapitalLossAmount_019fcd31-1f01-75fe-a548-a3c04427b431" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_EffectiveIncomeTaxRateReconciliationChangeInBusinessFormAmount_019fcd33-31ca-7a41-9245-ad58380f194f" xlink:href="spb-20260628.xsd#spb_EffectiveIncomeTaxRateReconciliationChangeInBusinessFormAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_019fc96f-3dfe-712a-9378-2506702a2a80" xlink:to="loc_spb_EffectiveIncomeTaxRateReconciliationChangeInBusinessFormAmount_019fcd33-31ca-7a41-9245-ad58380f194f" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill_019fc96f-3dfe-7da6-be40-a2a5554477b0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_019fc96f-3dfe-712a-9378-2506702a2a80" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill_019fc96f-3dfe-7da6-be40-a2a5554477b0" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses_019fce6f-66b7-742b-825f-81aa00bd9ac9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_019fc96f-3dfe-712a-9378-2506702a2a80" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses_019fce6f-66b7-742b-825f-81aa00bd9ac9" xlink:type="arc" order="9"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/COMMITMENTSANDCONTINGENCIESNarrativeDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#COMMITMENTSANDCONTINGENCIESNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/COMMITMENTSANDCONTINGENCIESNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsLineItems_019f9499-296f-7481-9ad7-59a80326504b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCommitmentsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsTable_019f9499-296f-78b5-a165-7e2d3b8bd87a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCommitmentsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019f9499-296f-7481-9ad7-59a80326504b" xlink:to="loc_us-gaap_OtherCommitmentsTable_019f9499-296f-78b5-a165-7e2d3b8bd87a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainContingenciesByNatureAxis_019f9499-296f-7e84-8500-a8673a770aa0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainContingenciesByNatureAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_019f9499-296f-78b5-a165-7e2d3b8bd87a" xlink:to="loc_us-gaap_GainContingenciesByNatureAxis_019f9499-296f-7e84-8500-a8673a770aa0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainContingencyNatureDomain_019f9499-296f-7e84-8500-a8673a770aa0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainContingencyNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GainContingenciesByNatureAxis_019f9499-296f-7e84-8500-a8673a770aa0" xlink:to="loc_us-gaap_GainContingencyNatureDomain_019f9499-296f-7e84-8500-a8673a770aa0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainContingencyNatureDomain_019f9499-296f-74a2-87a8-76704fbccde6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainContingencyNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GainContingenciesByNatureAxis_019f9499-296f-7e84-8500-a8673a770aa0" xlink:to="loc_us-gaap_GainContingencyNatureDomain_019f9499-296f-74a2-87a8-76704fbccde6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_IEEPATariffRefundMember_019f9499-296f-79bd-a94a-44c85d85c58e" xlink:href="spb-20260628.xsd#spb_IEEPATariffRefundMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GainContingencyNatureDomain_019f9499-296f-74a2-87a8-76704fbccde6" xlink:to="loc_spb_IEEPATariffRefundMember_019f9499-296f-79bd-a94a-44c85d85c58e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyAccrualProductLiabilityNet_019e4bde-732c-78b6-bb9b-a0ce073b5c2f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LossContingencyAccrualProductLiabilityNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019f9499-296f-7481-9ad7-59a80326504b" xlink:to="loc_us-gaap_LossContingencyAccrualProductLiabilityNet_019e4bde-732c-78b6-bb9b-a0ce073b5c2f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_IEEPATariffRefundClaimsSubmitted_019f9499-296f-73c2-ac65-f662e7fa62f4" xlink:href="spb-20260628.xsd#spb_IEEPATariffRefundClaimsSubmitted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019f9499-296f-7481-9ad7-59a80326504b" xlink:to="loc_spb_IEEPATariffRefundClaimsSubmitted_019f9499-296f-73c2-ac65-f662e7fa62f4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_IEEPATariffRefundProbable_019fce6c-0534-720f-83a7-ac61cb764874" xlink:href="spb-20260628.xsd#spb_IEEPATariffRefundProbable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019f9499-296f-7481-9ad7-59a80326504b" xlink:to="loc_spb_IEEPATariffRefundProbable_019fce6c-0534-720f-83a7-ac61cb764874" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RecoveryOfDirectCosts_019fce6d-2a11-7e30-9d48-c139f29eacd3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RecoveryOfDirectCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019f9499-296f-7481-9ad7-59a80326504b" xlink:to="loc_us-gaap_RecoveryOfDirectCosts_019fce6d-2a11-7e30-9d48-c139f29eacd3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableForRecoveryOfImportDutiesNet_019f94a1-c5a3-7150-9c3c-451656d3e2a6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReceivableForRecoveryOfImportDutiesNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019f9499-296f-7481-9ad7-59a80326504b" xlink:to="loc_us-gaap_ReceivableForRecoveryOfImportDutiesNet_019f94a1-c5a3-7150-9c3c-451656d3e2a6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_019f94b0-98e1-7f46-b0b5-f07eb577407c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019f9499-296f-7481-9ad7-59a80326504b" xlink:to="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_019f94b0-98e1-7f46-b0b5-f07eb577407c" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/SEGMENTINFORMATIONScheduleofSegmentInformationDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#SEGMENTINFORMATIONScheduleofSegmentInformationDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/SEGMENTINFORMATIONScheduleofSegmentInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e4bde-73d6-781e-8330-da0260006c24" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e4bde-73d6-781e-8330-da0260006c24" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019e4bde-73d6-72b8-989d-78f58e4f4fd6" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e4bde-73d6-781e-8330-da0260006c24" xlink:to="loc_srt_ConsolidationItemsAxis_019e4bde-73d6-72b8-989d-78f58e4f4fd6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019e4bde-73d6-72b8-989d-78f58e4f4fd6_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_019e4bde-73d6-72b8-989d-78f58e4f4fd6" xlink:to="loc_srt_ConsolidationItemsDomain_019e4bde-73d6-72b8-989d-78f58e4f4fd6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019e4bde-73d6-735d-b49d-cd85e4301cab" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_019e4bde-73d6-72b8-989d-78f58e4f4fd6" xlink:to="loc_srt_ConsolidationItemsDomain_019e4bde-73d6-735d-b49d-cd85e4301cab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_019e4bde-73d6-7b6d-9422-c04a6c9ecb01" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019e4bde-73d6-735d-b49d-cd85e4301cab" xlink:to="loc_us-gaap_OperatingSegmentsMember_019e4bde-73d6-7b6d-9422-c04a6c9ecb01" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-73d6-78a6-8607-5186b1b86ada" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e4bde-73d6-781e-8330-da0260006c24" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-73d6-78a6-8607-5186b1b86ada" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e4bde-73d6-78a6-8607-5186b1b86ada_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-73d6-78a6-8607-5186b1b86ada" xlink:to="loc_us-gaap_SegmentDomain_019e4bde-73d6-78a6-8607-5186b1b86ada_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e4bde-73d6-7284-9365-d5cd5cb1c5c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-73d6-78a6-8607-5186b1b86ada" xlink:to="loc_us-gaap_SegmentDomain_019e4bde-73d6-7284-9365-d5cd5cb1c5c5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_GPCSegmentMember_019e4bde-73d6-71cd-bb5d-16cca5c40c8e" xlink:href="spb-20260628.xsd#spb_GPCSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e4bde-73d6-7284-9365-d5cd5cb1c5c5" xlink:to="loc_spb_GPCSegmentMember_019e4bde-73d6-71cd-bb5d-16cca5c40c8e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_HGSegmentMember_019e4bde-73d6-75f6-964c-3bd74cfc33eb" xlink:href="spb-20260628.xsd#spb_HGSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e4bde-73d6-7284-9365-d5cd5cb1c5c5" xlink:to="loc_spb_HGSegmentMember_019e4bde-73d6-75f6-964c-3bd74cfc33eb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_HPCSegmentMember_019e4bde-73d6-74d3-b461-5cbb35e4aab9" xlink:href="spb-20260628.xsd#spb_HPCSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e4bde-73d6-7284-9365-d5cd5cb1c5c5" xlink:to="loc_spb_HPCSegmentMember_019e4bde-73d6-74d3-b461-5cbb35e4aab9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e4bde-73d6-722f-8ed5-fb9489c1296c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e4bde-73d6-722f-8ed5-fb9489c1296c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_019e4bde-73d6-7ff5-a990-a48f2384852f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_us-gaap_CostOfRevenue_019e4bde-73d6-7ff5-a990-a48f2384852f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019e4bde-73d6-7f5a-9b1c-9eb3aaaad1e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019e4bde-73d6-7f5a-9b1c-9eb3aaaad1e1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019e4bde-73d6-757d-b1f0-45ba1c6dd24d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_019e4bde-73d6-757d-b1f0-45ba1c6dd24d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019e4bde-73d6-7cfb-88de-d3fbc4ea796c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_019e4bde-73d6-7cfb-88de-d3fbc4ea796c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_019f94ae-6183-7eb3-b1fe-446158042b38" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_019f94ae-6183-7eb3-b1fe-446158042b38" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_SegmentAdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization_019e4bde-73d6-7c9d-8c91-4b83d175d867" xlink:href="spb-20260628.xsd#spb_SegmentAdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_spb_SegmentAdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization_019e4bde-73d6-7c9d-8c91-4b83d175d867" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_019e4bde-73d6-70e6-9e50-bfe7b8fb7bb5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_us-gaap_InterestExpenseNonoperating_019e4bde-73d6-70e6-9e50-bfe7b8fb7bb5" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_019e4bde-73d6-74e0-b130-6e700e112f0d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Depreciation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_us-gaap_Depreciation_019e4bde-73d6-74e0-b130-6e700e112f0d" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentForAmortization_019e4bde-73d6-7b3b-93e6-39cfeb3d0143" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdjustmentForAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_us-gaap_AdjustmentForAmortization_019e4bde-73d6-7b3b-93e6-39cfeb3d0143" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_CorporateCosts_019e4bde-73d6-7601-b6e0-05ca0218dd01" xlink:href="spb-20260628.xsd#spb_CorporateCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_spb_CorporateCosts_019e4bde-73d6-7601-b6e0-05ca0218dd01" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_019e4bde-73d6-7758-a535-5254277934b4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_us-gaap_InvestmentIncomeInterest_019e4bde-73d6-7758-a535-5254277934b4" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_ShareBasedCompensation1_019e4bde-73d6-732d-b0ab-08d3d9855634" xlink:href="spb-20260628.xsd#spb_ShareBasedCompensation1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_spb_ShareBasedCompensation1_019e4bde-73d6-732d-b0ab-08d3d9855634" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_019e4bde-73d6-77c8-ba5b-56ce7628e308" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_us-gaap_AssetImpairmentCharges_019e4bde-73d6-77c8-ba5b-56ce7628e308" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessExitCosts1_019e4bde-73d6-747d-b00e-58d3310cc7b1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessExitCosts1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_us-gaap_BusinessExitCosts1_019e4bde-73d6-747d-b00e-58d3310cc7b1" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_GlobalERPTransformation_019e4bde-73d6-7cef-9ad4-2e64574978d8" xlink:href="spb-20260628.xsd#spb_GlobalERPTransformation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_spb_GlobalERPTransformation_019e4bde-73d6-7cef-9ad4-2e64574978d8" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_NonRecurringLitigationExpense_019e4bde-73d6-776b-8806-a324b2a5ba50" xlink:href="spb-20260628.xsd#spb_NonRecurringLitigationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_spb_NonRecurringLitigationExpense_019e4bde-73d6-776b-8806-a324b2a5ba50" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_OtherIncomeExpense_019e4bde-73d6-7879-ad99-6fb7f8aaa533" xlink:href="spb-20260628.xsd#spb_OtherIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_spb_OtherIncomeExpense_019e4bde-73d6-7879-ad99-6fb7f8aaa533" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e4bde-73d6-7108-af90-3ec748d4329f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7714-927e-abb74f45d6d9" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e4bde-73d6-7108-af90-3ec748d4329f" xlink:type="arc" order="18"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/SEGMENTINFORMATIONScheduleofDepreciationandAmortizationRelatingtoSegmentsDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#SEGMENTINFORMATIONScheduleofDepreciationandAmortizationRelatingtoSegmentsDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/SEGMENTINFORMATIONScheduleofDepreciationandAmortizationRelatingtoSegmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7a05-b43b-c39b698a9b6a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e4bde-73d6-78de-a05d-8a44b237e4f8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7a05-b43b-c39b698a9b6a" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e4bde-73d6-78de-a05d-8a44b237e4f8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019e4bde-73d6-7dca-bca9-13f4e18cc1eb" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e4bde-73d6-78de-a05d-8a44b237e4f8" xlink:to="loc_srt_ConsolidationItemsAxis_019e4bde-73d6-7dca-bca9-13f4e18cc1eb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019e4bde-73d6-7dca-bca9-13f4e18cc1eb_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_019e4bde-73d6-7dca-bca9-13f4e18cc1eb" xlink:to="loc_srt_ConsolidationItemsDomain_019e4bde-73d6-7dca-bca9-13f4e18cc1eb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019e4bde-73d6-7a17-aac7-5404cf4848ca" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_019e4bde-73d6-7dca-bca9-13f4e18cc1eb" xlink:to="loc_srt_ConsolidationItemsDomain_019e4bde-73d6-7a17-aac7-5404cf4848ca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_019e4bde-73d6-73c7-818e-8c573f27a270" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019e4bde-73d6-7a17-aac7-5404cf4848ca" xlink:to="loc_us-gaap_OperatingSegmentsMember_019e4bde-73d6-73c7-818e-8c573f27a270" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_CorporateAndReconcilingItemsMember_019e4bde-73d6-721a-a9e1-ad999337d122" xlink:href="spb-20260628.xsd#spb_CorporateAndReconcilingItemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019e4bde-73d6-7a17-aac7-5404cf4848ca" xlink:to="loc_spb_CorporateAndReconcilingItemsMember_019e4bde-73d6-721a-a9e1-ad999337d122" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-73d6-77a3-935c-9671ad09ec6a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e4bde-73d6-78de-a05d-8a44b237e4f8" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-73d6-77a3-935c-9671ad09ec6a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e4bde-73d6-77a3-935c-9671ad09ec6a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-73d6-77a3-935c-9671ad09ec6a" xlink:to="loc_us-gaap_SegmentDomain_019e4bde-73d6-77a3-935c-9671ad09ec6a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e4bde-73d6-79b9-80e5-6a7ac507ab66" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-73d6-77a3-935c-9671ad09ec6a" xlink:to="loc_us-gaap_SegmentDomain_019e4bde-73d6-79b9-80e5-6a7ac507ab66" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_GlobalPetSuppliesMember_019e4bde-73d6-7428-b5c0-50f4f46752e4" xlink:href="spb-20260628.xsd#spb_GlobalPetSuppliesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e4bde-73d6-79b9-80e5-6a7ac507ab66" xlink:to="loc_spb_GlobalPetSuppliesMember_019e4bde-73d6-7428-b5c0-50f4f46752e4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_HomeAndGardenBusinessMember_019e4bde-73d6-7730-9506-beef72f00720" xlink:href="spb-20260628.xsd#spb_HomeAndGardenBusinessMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e4bde-73d6-79b9-80e5-6a7ac507ab66" xlink:to="loc_spb_HomeAndGardenBusinessMember_019e4bde-73d6-7730-9506-beef72f00720" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_HomeAndPersonalCareMember_019e4bde-73d6-7a45-acee-30395a1071dc" xlink:href="spb-20260628.xsd#spb_HomeAndPersonalCareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e4bde-73d6-79b9-80e5-6a7ac507ab66" xlink:to="loc_spb_HomeAndPersonalCareMember_019e4bde-73d6-7a45-acee-30395a1071dc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019e4bde-73d6-7ec8-86ce-5656419f072c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7a05-b43b-c39b698a9b6a" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_019e4bde-73d6-7ec8-86ce-5656419f072c" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/SEGMENTINFORMATIONScheduleofSegmentTotalAssetsRelatingtoSegmentsDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#SEGMENTINFORMATIONScheduleofSegmentTotalAssetsRelatingtoSegmentsDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/SEGMENTINFORMATIONScheduleofSegmentTotalAssetsRelatingtoSegmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7373-ae68-512ccf8fe8d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e4bde-73d6-7a0b-8bc8-e523003380aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7373-ae68-512ccf8fe8d8" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e4bde-73d6-7a0b-8bc8-e523003380aa" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019e4bde-73d6-7ba7-b57e-bfc22579d5ec" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e4bde-73d6-7a0b-8bc8-e523003380aa" xlink:to="loc_srt_ConsolidationItemsAxis_019e4bde-73d6-7ba7-b57e-bfc22579d5ec" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019e4bde-73d6-7ba7-b57e-bfc22579d5ec_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_019e4bde-73d6-7ba7-b57e-bfc22579d5ec" xlink:to="loc_srt_ConsolidationItemsDomain_019e4bde-73d6-7ba7-b57e-bfc22579d5ec_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019e4bde-73d6-7846-8db5-0f4a3ab706c1" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_019e4bde-73d6-7ba7-b57e-bfc22579d5ec" xlink:to="loc_srt_ConsolidationItemsDomain_019e4bde-73d6-7846-8db5-0f4a3ab706c1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_019e4bde-73d6-7084-b392-45bce8bc055b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019e4bde-73d6-7846-8db5-0f4a3ab706c1" xlink:to="loc_us-gaap_OperatingSegmentsMember_019e4bde-73d6-7084-b392-45bce8bc055b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-73d6-79be-b001-580d77815989" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e4bde-73d6-7a0b-8bc8-e523003380aa" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-73d6-79be-b001-580d77815989" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e4bde-73d6-79be-b001-580d77815989_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-73d6-79be-b001-580d77815989" xlink:to="loc_us-gaap_SegmentDomain_019e4bde-73d6-79be-b001-580d77815989_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e4bde-73d6-749f-8de7-8b6e5dcac835" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e4bde-73d6-79be-b001-580d77815989" xlink:to="loc_us-gaap_SegmentDomain_019e4bde-73d6-749f-8de7-8b6e5dcac835" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_GlobalPetSuppliesMember_019e4bde-73d6-7247-9988-bea749a5f198" xlink:href="spb-20260628.xsd#spb_GlobalPetSuppliesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e4bde-73d6-749f-8de7-8b6e5dcac835" xlink:to="loc_spb_GlobalPetSuppliesMember_019e4bde-73d6-7247-9988-bea749a5f198" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_HomeAndGardenBusinessMember_019e4bde-73d6-7050-b8ef-74b94cf1a8d9" xlink:href="spb-20260628.xsd#spb_HomeAndGardenBusinessMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e4bde-73d6-749f-8de7-8b6e5dcac835" xlink:to="loc_spb_HomeAndGardenBusinessMember_019e4bde-73d6-7050-b8ef-74b94cf1a8d9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_HomeAndPersonalCareMember_019e4bde-73d6-7955-9e5b-7455cdb5f8fa" xlink:href="spb-20260628.xsd#spb_HomeAndPersonalCareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e4bde-73d6-749f-8de7-8b6e5dcac835" xlink:to="loc_spb_HomeAndPersonalCareMember_019e4bde-73d6-7955-9e5b-7455cdb5f8fa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_AssetsExcludingDiscontinuedOperations_019e4bde-73d6-7b51-8bee-88a1b5d6d87d" xlink:href="spb-20260628.xsd#spb_AssetsExcludingDiscontinuedOperations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7373-ae68-512ccf8fe8d8" xlink:to="loc_spb_AssetsExcludingDiscontinuedOperations_019e4bde-73d6-7b51-8bee-88a1b5d6d87d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_AssetsExcludingDiscontinuedOperationsCurrent_019e4bde-73d6-76b3-b5f5-93dec14556c6" xlink:href="spb-20260628.xsd#spb_AssetsExcludingDiscontinuedOperationsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7373-ae68-512ccf8fe8d8" xlink:to="loc_spb_AssetsExcludingDiscontinuedOperationsCurrent_019e4bde-73d6-76b3-b5f5-93dec14556c6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_AssetsExcludingDiscontinuedOperationsNoncurrent_019e4bde-73d6-7fc3-91d0-1e3914c74883" xlink:href="spb-20260628.xsd#spb_AssetsExcludingDiscontinuedOperationsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e4bde-73d6-7373-ae68-512ccf8fe8d8" xlink:to="loc_spb_AssetsExcludingDiscontinuedOperationsNoncurrent_019e4bde-73d6-7fc3-91d0-1e3914c74883" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/SEGMENTINFORMATIONScheduleofNetSalesbyGeographicAreaDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#SEGMENTINFORMATIONScheduleofNetSalesbyGeographicAreaDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/SEGMENTINFORMATIONScheduleofNetSalesbyGeographicAreaDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019e4bde-73d6-71fa-9da7-1b8f6a88e4e7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_019e4bde-73d6-76de-9152-9ae0525437b3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019e4bde-73d6-71fa-9da7-1b8f6a88e4e7" xlink:to="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_019e4bde-73d6-76de-9152-9ae0525437b3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019e4bde-73d6-7426-ae46-7ae5f41ead9f" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_019e4bde-73d6-76de-9152-9ae0525437b3" xlink:to="loc_srt_StatementGeographicalAxis_019e4bde-73d6-7426-ae46-7ae5f41ead9f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019e4bde-73d6-7426-ae46-7ae5f41ead9f_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019e4bde-73d6-7426-ae46-7ae5f41ead9f" xlink:to="loc_srt_SegmentGeographicalDomain_019e4bde-73d6-7426-ae46-7ae5f41ead9f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019e4bde-73d6-722d-8632-17c46484580d" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019e4bde-73d6-7426-ae46-7ae5f41ead9f" xlink:to="loc_srt_SegmentGeographicalDomain_019e4bde-73d6-722d-8632-17c46484580d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_019e4bde-73d6-7ef5-9192-b841803e3e84" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_US"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e4bde-73d6-722d-8632-17c46484580d" xlink:to="loc_country_US_019e4bde-73d6-7ef5-9192-b841803e3e84" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EuropeMember_019e4bde-73d6-77ac-8ba9-0653abf6b5f9" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EuropeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e4bde-73d6-722d-8632-17c46484580d" xlink:to="loc_srt_EuropeMember_019e4bde-73d6-77ac-8ba9-0653abf6b5f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LatinAmericaMember_019e4bde-73d6-7672-8030-f5e39026d368" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_LatinAmericaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e4bde-73d6-722d-8632-17c46484580d" xlink:to="loc_srt_LatinAmericaMember_019e4bde-73d6-7672-8030-f5e39026d368" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AsiaPacificMember_019e4bde-73d6-74d1-ba45-e8ac923fba5d" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_AsiaPacificMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e4bde-73d6-722d-8632-17c46484580d" xlink:to="loc_srt_AsiaPacificMember_019e4bde-73d6-74d1-ba45-e8ac923fba5d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_NorthAmericaExcludingUnitedStatesMember_019e4bde-73d6-75b6-bcc8-8dbac34ae88e" xlink:href="spb-20260628.xsd#spb_NorthAmericaExcludingUnitedStatesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e4bde-73d6-722d-8632-17c46484580d" xlink:to="loc_spb_NorthAmericaExcludingUnitedStatesMember_019e4bde-73d6-75b6-bcc8-8dbac34ae88e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_019e4bde-73d6-7b49-9b4e-3c1612ae045b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019e4bde-73d6-71fa-9da7-1b8f6a88e4e7" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_019e4bde-73d6-7b49-9b4e-3c1612ae045b" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.spectrumbrands.com/role/SEGMENTINFORMATIONScheduleofLongLivedAssetsbyGeographicAreaDetails" xlink:type="simple" xlink:href="spb-20260628.xsd#SEGMENTINFORMATIONScheduleofLongLivedAssetsbyGeographicAreaDetails"/>
  <link:definitionLink xlink:role="http://www.spectrumbrands.com/role/SEGMENTINFORMATIONScheduleofLongLivedAssetsbyGeographicAreaDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019e4bde-73d6-7277-af14-7adb49f0a65c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_019e4bde-73d6-775a-af47-905d56a8ca11" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019e4bde-73d6-7277-af14-7adb49f0a65c" xlink:to="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_019e4bde-73d6-775a-af47-905d56a8ca11" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019e4bde-73d6-7736-a263-62c008e7b62a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_019e4bde-73d6-775a-af47-905d56a8ca11" xlink:to="loc_srt_StatementGeographicalAxis_019e4bde-73d6-7736-a263-62c008e7b62a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019e4bde-73d6-7736-a263-62c008e7b62a_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019e4bde-73d6-7736-a263-62c008e7b62a" xlink:to="loc_srt_SegmentGeographicalDomain_019e4bde-73d6-7736-a263-62c008e7b62a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019e4bde-73d6-7ea8-b78e-ea1a7b6eb964" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019e4bde-73d6-7736-a263-62c008e7b62a" xlink:to="loc_srt_SegmentGeographicalDomain_019e4bde-73d6-7ea8-b78e-ea1a7b6eb964" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_019e4bde-73d6-7c62-b967-cf6e9f226d30" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_US"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e4bde-73d6-7ea8-b78e-ea1a7b6eb964" xlink:to="loc_country_US_019e4bde-73d6-7c62-b967-cf6e9f226d30" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EuropeMember_019e4bde-73d6-7b36-bf0f-2962e8e7b01f" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EuropeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e4bde-73d6-7ea8-b78e-ea1a7b6eb964" xlink:to="loc_srt_EuropeMember_019e4bde-73d6-7b36-bf0f-2962e8e7b01f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LatinAmericaMember_019e4bde-73d6-76a9-b4ce-bb36cb7e7b55" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_LatinAmericaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e4bde-73d6-7ea8-b78e-ea1a7b6eb964" xlink:to="loc_srt_LatinAmericaMember_019e4bde-73d6-76a9-b4ce-bb36cb7e7b55" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AsiaPacificMember_019e4bde-73d6-7f07-b178-59fa67bbb262" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_AsiaPacificMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e4bde-73d6-7ea8-b78e-ea1a7b6eb964" xlink:to="loc_srt_AsiaPacificMember_019e4bde-73d6-7f07-b178-59fa67bbb262" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_spb_NorthAmericaExcludingUnitedStatesMember_019e4bde-73d6-7e3d-9eef-a23145361c96" xlink:href="spb-20260628.xsd#spb_NorthAmericaExcludingUnitedStatesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e4bde-73d6-7ea8-b78e-ea1a7b6eb964" xlink:to="loc_spb_NorthAmericaExcludingUnitedStatesMember_019e4bde-73d6-7e3d-9eef-a23145361c96" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncurrentAssets_019e4bde-73d6-7bae-8b04-a4964cfd0a87" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NoncurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019e4bde-73d6-7277-af14-7adb49f0a65c" xlink:to="loc_us-gaap_NoncurrentAssets_019e4bde-73d6-7bae-8b04-a4964cfd0a87" xlink:type="arc" order="0"/>
  </link:definitionLink>
</link:linkbase>
