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Word of the Day Tuesday, June 9, 2026

perfidy

/pərˈfaɪdi/ noun · British & US
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What does perfidy mean?

noun

Disloyalty or treachery, especially by a person in a position of trust. A deliberate and deceitful act of betrayal.

Example

"The company's perfidy in hiding the product's flaws led to a major scandal."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for perfidy

Antonyms of perfidy

Rhymes with perfidy

Etymologically related