perfidiously

• Adverbe signifiant « d'une manière perfide ou trompeuse ». Qualifie une action accomplie avec une trahison délibérée de la confiance ou de la loyauté, souvent dans un contexte formel ou littéraire.

An adverb meaning "in a treacherous or deceitful manner." It describes an action performed with deliberate betrayal of trust or faith, often in a formal or literary context.

1. In a treacherous mannerC2formal

   In a way that is deliberately deceitful and untrustworthy, betraying trust or loyalty.

   de manière perfide

   • He perfidiously revealed the secret to their competitors.
   • The ally acted perfidiously by breaking the treaty.
   • She was treated perfidiously by those she trusted most.

   Synonymesdeceitfullydisloyallyfaithlesslyinsidiouslytraitorouslytreacherouslyunfaithfully

   Antonymesfaithfullyhonestlyhonorablyloyallysincerelytruthfully