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Showing results for perfidy. Search instead for perfida.
Definitions

perfidy

[pur-fi-dee] / ˈpɜr fɪ di /
NOUN
treachery
Synonyms
STRONG
betrayal bunco corruption disaffection dodge double-dealing duplicity faithlessness fake falseness flimflam infidelity perfidiousness put on racket scam sellout spoof treason whitewash
WEAK
dirty dealing dirty pool dirty trick dirty work double-cross fast shuffle grift recreancy shell game skin game stab in the back sweet-talk treacherousness two-timing
Antonyms
STRONG
faithfulness fidelity forthrightness harmony honesty loyalty truthfulness
NOUN
faithlessness
Synonyms
STRONG
betrayal disbelief dishonesty disloyalty doubt falseness falsity fickleness fraud inconstancy infidelity perfidiousness skepticism traitorousness treachery treason unfaithfulness
WEAK
false-heartedness treacherousness
Antonyms
STRONG
belief devotion fairness faithfulness fidelity honesty loyalty trust truthfulness

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Unaware of Samary’s perfidy, Gomina, 50, ordered Samary to meet him at QRF headquarters to organize a team to rescue Issa and his family.

From The Wall Street Journal • Mar. 12, 2026

A former JAG and current professor at Texas Tech University, Geoffrey Corn, said the U.S. has considered perfidy a crime in non-international armed conflicts.

From Salon • Jan. 13, 2026

Now, those who are convinced of the perfidy of cats won’t like the answers that are emerging.

From New York Times • Nov. 12, 2022

Bristling and increasingly convinced of Western perfidy and decadence, he was in many respects a changed man.

From Seattle Times • Mar. 26, 2022

When I'd said all that nonsense about perfidy, I'd been telling a yarn, hoping that I could distract everyone from my questionable manners.

From "Dread Nation" by Justina Ireland

Vocabulary lists containing perfidy

The Declaration of Independence

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A Web of Lies

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Excerpt from "The Declaration of Independence"

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