What is a word for cheating on spouse?

Infidelity (synonyms include cheating, straying, adultery, being unfaithful, or having an affair) is a violation of a couples emotional and/or sexual exclusivity that commonly results in feelings of anger, sexual jealousy, and rivalry.

What is another word for cheating on someone?

What is another word for cheating?unfaithfulnessinfidelityaffaircuckoldryamourunchastityfornicationintriguehanky-pankyextramarital relations24 more rows

What is the opposite of a cheater?

What is the opposite of cheater?honestyfairnessjusticereality