perfidy

• Nom désignant un acte de trahison délibérée de la confiance ou de la loyauté, ou un tel comportement.

A noun referring to the act of deliberately betraying a trust or confidence, or an instance of such betrayal.

1. Betrayal of trustC1formal

   The act of deliberately breaking someone's trust or being disloyal.

   Perfidie (trahison de confiance)

   • His perfidy shocked everyone who had trusted him.
   • The general was condemned for his perfidy against the nation.
   • She could not forgive his perfidy after years of friendship.

   Synonymesbetrayaldeceitdisloyaltydouble-dealingduplicityfaithlessnessinfidelitytreacherytreasonunfaithfulness

   Antonymesallegiancedevotionfaithfulnessfidelityloyalty

2. Act of deliberate betrayalC1formal

   A specific instance or act of being treacherous or disloyal.

   acte de trahison délibéré

   • The treaty was broken by an act of perfidy.
   • History records many examples of political perfidy.
   • The spy's perfidy led to the downfall of the operation.

   Synonymesbetrayaldeceptiondisloyaltydouble crossfaithlessnessinfidelitysellouttreacherytreason

   Antonymesfaithfulnessloyalty