Thesaurus
adultery
noun
Synonyms and Antonyms of ADULTERY
a sexual encounter or relationship between a married person and someone other than their spouse <adultery is the cause of many divorces>
Related Words criminal conversation; free love, promiscuity; disloyalty, faithlessness, falseness, inconstancy, perfidiousness, perfidy, treachery; affair (also affaire), amour, fling, love, love affair, romance; intrigue; attachment, infatuation; entanglement, flirtation; liaison, passion
Near Antonyms allegiance, constancy, dedication, devotedness, devotion, fealty, loyalty, steadfastness
Antonyms faithfulness, fidelity
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