beginner Level

Perfidy

Deceitfulness; untrustworthiness.

Synonyms

Treacheryduplicitybetrayalinfidelity

Antonyms

Faithfulnessloyaltyfidelity

Practice this word

This word appears in beginner set 4

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About "Perfidy"

Perfidy is a vocabulary word commonly tested on the SAT. Understanding this word and its synonyms (Treachery, duplicity) can help you answer Reading and Writing questions more accurately. The opposite meaning (antonyms) includes words like Faithfulness and loyalty.

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