1
as in infidelity
lack of faithfulness especially to one's husband or wife
his wife's perfidy was a moment of uncharacteristic weakness
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2
as in treachery
the act or fact of violating the trust or confidence of another
the full cost—both in compromised intelligence and in human life—of the double agent's perfidy is not yet known
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Examples of perfidy in a Sentence
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Recent Examples on the Web
Drawing on American foreign policy circa 9/11 and the Iraq War, these pieces were huge collages of perfidies that Weinberger fashioned into a narrative of governmental misdeeds.
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Wyatt Mason, Harper's Magazine, 26 Apr. 2024
For a regime that has staked much of its credibility and political future on the war in Ukraine, Putin and his Kremlin allies need to keep the domestic focus on the perfidy of the foes next door.
—Ishaan Tharoor, Washington Post, 27 Mar. 2024
London audiences welcomed a scathing romp about the perfidies of global capitalism.
—Rebecca Mead, The New Yorker, 4 Mar. 2024
This violates the prohibition to kill or injure the adversary by resorting to perfidy, Sari said.
—Ellie Kaufman, ABC News, 30 Jan. 2024
See all Example Sentences for perfidy 
Wyatt Mason, Harper's Magazine, 26 Apr. 2024
For a regime that has staked much of its credibility and political future on the war in Ukraine, Putin and his Kremlin allies need to keep the domestic focus on the perfidy of the foes next door.
—Ishaan Tharoor, Washington Post, 27 Mar. 2024
London audiences welcomed a scathing romp about the perfidies of global capitalism.
—Rebecca Mead, The New Yorker, 4 Mar. 2024
This violates the prohibition to kill or injure the adversary by resorting to perfidy, Sari said.
—Ellie Kaufman, ABC News, 30 Jan. 2024
See all Example Sentences for perfidy
Recent Examples of Synonyms for perfidy
Noun
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In the documentary, Stewart suggested that the infidelity reports were true.Martha Ross, The Mercury News, 8 Nov. 2024
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All of a sudden, the conversation is no longer about newfound infidelity rumors but about how Mia waited three years to play that card.Shamira Ibrahim, Vulture, 4 Nov. 2024
Noun
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Hosted by Alan Cumming, the game of treachery and deceit returns to Peacock on Thursday, January 9th.Anne Easton, Forbes, 31 Oct. 2024
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Politics is full of deceit, treachery, and betrayal. . . .Quintus Tullius Cicero, Foreign Affairs, 20 Apr. 2012
Noun
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The flick was a comedic noir that imagined a Hollywood where cartoons and humans live together, and the plot involved murder, adultery, blackmail and other adult topics.Victoria Edel, People.com, 4 Nov. 2024
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She’s getting beheaded for committing adultery with a distant cousin.Elle Carroll, Vulture, 18 June 2024
Noun
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This season’s storyline guarantees a symphony of intrigue, betrayal, and unrelenting ambition as Madam fights tooth and nail to safeguard her empire and exact her revenge.Okla Jones, Essence, 4 Nov. 2024
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This was especially a betrayal of Arab and Muslim American voters who arguably gave Biden his slim 2020 margin of victory in crucial states such as Michigan.Caise D. Hassan, Chicago Tribune, 31 Oct. 2024
Noun
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His initial refusal to bend the knee—even trying for a last-minute coup at the Republican convention in Cleveland with a protest speech from the stage—put him in the MAGA column for disloyalty.Philip Elliott / Houston, TIME, 28 Oct. 2024
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Throughout the rest of the movie, Donald demonstrates his mastery of these methods in a relentless and brazen series of betrayals, disloyalties, cruelties.Richard Brody, The New Yorker, 10 Oct. 2024
Noun
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In June, Trump amplified a social media post calling for former Rep. Liz Cheney − the Republican co-chair of the special House committee that investigated the Jan. 6, 2021, assault on the Capitol by a mob of Trump supporters − to be put on trial for treason by a military tribunal.Tom Vanden Brook, USA TODAY, 2 Nov. 2024
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Trump in 2023 accused NBC of treason for reporting on his various legal troubles.April Rubin, Axios, 1 Nov. 2024
Thesaurus Entries Near perfidy
Cite this Entry
“Perfidy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perfidy. Accessed 17 Nov. 2024.
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