two-timing Synonyms

cheating adulterous unreliable unfaithful unchastity treasonous treasonable treachery committing perjury treacherous traitress traitorous polygamous perjurious untrue untruthful extramarital affair unfaithfulness bit on the side backstabbing double-crossing sellout duplicitous affaire extramarital extracurricular untrustworthy perfidy perfidiousness disloyal dishonest deceiving deceitful deceit cuckoldry betrayal backhandedness amour affair adultery disloyalty duplicity perfidious misleading liaison intrigue infidelity inconstant fling fickle