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infidelity

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infidelity/ˌɪnfəˈdɛləti/noun
pluralinfidelities
infidelity
/ˌɪnfəˈdɛləti/
noun
pluralinfidelities
Learner's definition of INFIDELITY  
: the act or fact of having a romantic or sexual relationship with someone other than your husband, wife, or partner
[noncount]
[count]
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