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Learn to pronounce per·fi·dy

/ˈpərfədē/
noun
deceitfulness; untrustworthiness.
"it was an example of his perfidy"
synonyms: treachery, duplicity, deceit, perfidiousness, deceitfulness, disloyalty, infidelity, faithlessness, unfaithfulness, betrayal, treason, falseness, falsity, double-dealing, dishonesty, two-facedness, untrustworthiness, breach of trust, false-heartedness, Punic faith

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The meaning of PERFIDY is the quality or state of being faithless or disloyal : treachery. How to use perfidy in a sentence.

Perfidy

In the context of war, perfidy is a form of deception in which one side promises to act in good faith with the intention of breaking that promise once the unsuspecting enemy is exposed. Wikipedia
PERFIDY meaning: 1. behaviour that is not loyal 2. behavior that is not loyal. Learn more.
noun · deliberate breach of faith or trust; faithlessness; treachery: perfidy that goes unpunished. · an act or instance of faithlessness or treachery.
/ˈpʌfɪdi/ · noun. an act of deliberate betrayal. synonyms: betrayal, treachery, treason. see moresee less. types: double cross, double-crossing. an act of ...
faithless, false, disloyal, traitorous, treacherous, perfidious mean untrue to what should command one's fidelity or allegiance. faithless applies to any ...
(pɜrfɪdi ) uncountable noun. Perfidy is the action of betraying someone or behaving very badly toward someone. [literary]
[uncountable] (literary) ​unfair treatment of somebody who trusts you synonym treachery. In Act 2 he learns of Giovanni's perfidy and swears revenge.
perfidy (countable and uncountable, plural perfidies) A state or act of violating faith or allegiance; violation of a promise or vow, or of trust. synonyms ▲ ...
[noncount] literary. : the act of betraying someone or something : the state of not being loyal. They are guilty of perfidy.
In the context of war, perfidy is a form of deception in which one side promises to act in good faith with the intention of breaking that promise once the ...