Synonyms and Antonyms of perfidy
1 lack of faithfulness especially to one's husband or wife he decided to forgive his wife's perfidy, choosing to ascribe it to a moment of uncharacteristic weakness Synonyms of perfidy disloyalty, faithlessness, falseness, falsity, inconstancy, perfidiousness, infidelity, unfaithfulnessWords Related to perfidy adultery; betrayal, double-cross, double-dealing, duplicity, sellout, treachery, treason; deceit, deception, lyingNear Antonyms of perfidy staunchness, steadfastness; dependability, reliability; honesty, trustworthinessAntonyms of perfidy allegiance, constancy, devotedness, devotion, faith, faithfulness, fealty, fidelity, loyalty
2 the act or fact of violating the trust or confidence of another the full cost—both in compromised intelligence and in human life—of the double agent's perfidy is not yet known Synonyms of perfidy backstabbing, business, disloyalty, double cross, faithlessness, falseness, falsity, infidelity, betrayal, sellout, treachery, treason, two-timing, unfaithfulnessWords Related to perfidy abandonment, desertion; deceit, deception, double-dealing, duplicity, guile, two-facedness; fraud, informing, lying, snitching, talebearing, trickeryNear Antonyms of perfidy dependability, reliability, trustworthiness; defense, protection, safeguard, shieldAntonyms of perfidy allegiance, devotion, faithfulness, fealty, fidelity, loyalty, staunchness, steadfastness
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