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faithless, false, disloyal, traitorous, treacherous, perfidious mean untrue to what should command one's fidelity or allegiance. faithless applies to any failure to keep a promise or pledge or any breach of allegiance or loyalty. faithless allies.
Perfidious definition: deliberately faithless; treacherous; deceitful. See examples of PERFIDIOUS used in a sentence.
perfidious. (pəʳfɪdiəs ) adjective [usually ADJECTIVE noun] If you describe someone as perfidious, you mean that they have betrayed someone or cannot be trusted. [literary] Their feet will trample on the dead bodies of their perfidious aggressors.
unable to be trusted, or showing no loyalty: She described the new criminal bill as a perfidious attack on democracy. Synonym. treacherous. SMART Vocabulary: related words and phrases. Disloyalty, betrayal & treason. adulterous. backstabber. betrayal. betrayer. break ranks idiom. chicane. deserter. desertion. faithlessly. faithlessness. false.
The meaning of PERFIDY is the quality or state of being faithless or disloyal : treachery. How to use perfidy in a sentence.
unable to be trusted, or showing no loyalty: She described the new criminal bill as a perfidious attack on democracy. Synonym. treacherous. SMART Vocabulary: related words and phrases. Disloyalty, betrayal & treason. adulterous. backstabber. betrayal. betrayer. break ranks idiom. chicane. deserter. desertion. faithlessly. faithlessness. false.
If someone accuses you of being perfidious, you should probably be offended — it means underhanded, treacherous, deceitful — even evil. If you betray people often, you're perfidious: traitors are extremely perfidious.
perfidiousness. noun. Betrayal, especially of a moral obligation: disloyalty, faithlessness, false-heartedness, falseness, falsity, infidelity, perfidy, traitorousness, treacherousness, treachery, unfaithfulness. The American Heritage® Roget's Thesaurus.
6 days ago · betrayal of a trust.
perfidious. (pərfɪdiəs ) adjective [usu ADJ n] If you describe someone as perfidious, you mean that they have betrayed someone or cannot be trusted. [literary] Their feet will trample on the dead bodies of their perfidious aggressors.
