Perfidy

مترادف و متضاد perfidy

1. noun Betrayal, especially of a moral obligation
   Synonyms: falseness, disloyalty, deceit, faithlessness, false-heartedness, falsity, infidelity, perfidiousness, traitorousness, treacherousness, treachery, unfaithfulness
2. noun Willful betrayal of fidelity, confidence, or trust
   Synonyms: treachery, treason, treacherousness, perfidiousness, betrayal