adulterous

Definitions of adulterous
1

adj characterized by adultery

“an adulterous relationship”
Synonyms:
extracurricular, extramarital
illicit
contrary to accepted morality (especially sexual morality) or convention

adj not faithful to a spouse or lover

adulterous husbands and wives”
Synonyms:
cheating, two-timing
unfaithful
having sexual relations with someone other than your husband or wife, or your boyfriend or girlfriend

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