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

In the context of war, perfidy is a form of deceptive tactic where one side pretends to act in good faith, such as signaling a truce (e.g., raising a white flag), but does so with the deliberate intention of …

PERFIDY definition: deliberate breach of faith or trust; faithlessness; treachery. See examples of perfidy used in a sentence.

PERFIDY definition: 1. behaviour that is not loyal 2. behavior that is not loyal. Learn more.

Definition of perfidy noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

perfidy, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Perfidy is the action of betraying someone or behaving very badly toward someone.