Thesaurus
perfidy
perfidy
noun
Definition 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 disloyalty, faithlessness, falseness, falsity, inconstancy, perfidiousness, perfidy, unfaithfulness
Related Words adultery; betrayal, double-cross, double-dealing, duplicity, sellout, treachery, treason; deceit, deception, lying
Antonyms 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 backstabbing, business, disloyalty, double cross, faithlessness, falseness, falsity, infidelity, perfidy, sellout, treachery, treason, two-timing, unfaithfulness
Related Words abandonment, desertion; deceit, deception, double-dealing, duplicity, guile, two-facedness; fraud, informing, lying, snitching, talebearing, trickery
Seen & Heard
What made you want to look up perfidy? Please tell us where you read or heard it (including the quote, if possible).