Infidelity
/ˌɪnfɪˈdɛlɪti/
Listen pronunciation
Definition
(noun) Unfaithfulness in a marriage or an intimate (sexual or romantic) relationship: practice or instance of having a sexual or romantic affair with someone other than one's spouse, without the consent of the spouse.
Sentence Examples
She's warning me about his infidelity.
Tom is finding it hard to come to terms with Mary's infidelity.
CEFR Practice Quiz
The famous actor's marriage ended quickly after rumors of his ____ appeared in the news.