committed adultery

Had an affair

Committed adultery means to have had sex with someone other than one's spouse while married.

The phrase treats the act as a serious transgression—you commit adultery as you commit a crime or sin.

The past tense often appears in accusations or confessions: She discovered he had committed adultery.

He committed adultery with his secretary.

Related

divorce · broken vows · marriage vows · sin · unfaithfulness · guilt · guilty conscience · stigma · heartbreak · transgression · infidelity · betrayal · wrongdoing · taboo · jealousy · lover · extramarital · shame

Opposites
marital fidelity

committed adulterykept faith

Maintained loyalty or trust

abstained

Family

commit, committed, commits, committing, commitment, commitments, committal, adultery, adulterer

Familiarity
Top 100,000
Profile
Used worldwide · Timeless · Negative · Everyday, not technical · Rated PG-13