How to Use perfidy in a Sentence

perfidy

noun
  • They are guilty of perfidy.
  • The ignorance, the hubris, the lies, the perfidy.
    — Wesley Stenzel, Entertainment Weekly, 31 Oct. 2025
  • His descriptions of the perfidy of the British élite have the ring of an insider.
    — Sam Knight, The New Yorker, 25 Oct. 2019
  • The report has raised concerns of perfidy, an act of deception by military forces.
    — Jenna Prestininzi, Freep.com, 13 Jan. 2026
  • The speech was very long on the perfidy and neglect of the incumbent administration.
    — Charles P. Pierce, Esquire, 17 Oct. 2016
  • If that military then opened fire on those combatants, that would be perfidy, Solis explains.
    — Harmeet Kaur, CNN Money, 21 Jan. 2026
  • The rest of the week, the two hosts continued to expose the dangerous perfidy of America’s élites.
    — Susan B. Glasser, The New Yorker, 2 Mar. 2023
  • If the landing had been faked, the Soviets would have figured it out and would have loved to reveal to the world America’s perfidy.
    — Encyclopedia Britannica, 14 May 2026
  • Redl took his own life in 1913 after his perfidy came to light, but for Hillenkoetter the story hardly ended there.
    — Samuel Clowes Huneke, The New Republic, 8 June 2022
  • Ever since, the president and his closest allies haven’t stopped trying to repackage the perfidy as patriotism.
    — Bloomberg Opinion, Twin Cities, 27 Nov. 2025
  • Saudi and Emirati news channels ran with that version of the story, using it as proof of Turkey and Qatar’s perfidy.
    — Nabih Bulos, latimes.com, 17 June 2019
  • Mayhew himself seems to be experiencing physical pain as a punishment for his perfidy.
    — Charles C. W. Cooke, National Review, 29 Sep. 2020
  • After all, the perfidy of the unified German nation-state is not yet a matter entirely historical.
    — Cameron Hilditch, National Review, 17 June 2021
  • London audiences welcomed a scathing romp about the perfidies of global capitalism.
    — Rebecca Mead, The New Yorker, 4 Mar. 2024
  • Most believe that trust involves reliance on another person, and breaching that trust provokes despondency and perfidy.
    — Natasha Gural, Forbes, 31 Jan. 2022
  • This violates the prohibition to kill or injure the adversary by resorting to perfidy, Sari said.
    — Ellie Kaufman, ABC News, 30 Jan. 2024
  • Charges of perfidy are relatively unusual, Solis says.
    — Harmeet Kaur, CNN Money, 21 Jan. 2026
  • Officials who behave this way should not be able to escape accountability by making the cost of locating the records that prove their perfidy unaffordable.
    — Bill Lueders, Milwaukee Journal Sentinel, 7 Apr. 2021
  • Jim Geraghty has demonstrated the political perfidy in the White House’s approach to debt relief.
    — Noah Rothman, National Review, 9 Oct. 2023
  • But Iranian hardliners have always opposed it and will argue, with some justice, that their warnings of American perfidy have been borne out.
    — The Economist, 28 Mar. 2018
  • Those intrepid few who still clung to the belief that American perfidy shielded Duke’s players from true justice just had the rug pulled out from under them by Mangum herself.
    — The Editors, National Review, 17 Dec. 2024
  • But my Twitter feed and Facebook are starting to get inundated with dozens of posts every day on the perfidy of the Republican party.
    — Razib Khan, Discover Magazine, 30 Aug. 2012
  • There is no reference to Awan-family perfidy in connection with the House communications system.
    — Andrew C. McCarthy, National Review, 21 Aug. 2017
  • In its statement, Fox News demonstrated that not even a court record bulging with evidence of perfidy is enough to shame the organization into genuine contrition.
    — Erik Wemple, Washington Post, 19 Apr. 2023
  • Rational arguments are unlikely to either persuade those convinced of the perfidy of the green transition or allay the grievances that fuel the populist ferment in the West.
    — Edoardo Campanella, Foreign Affairs, 25 July 2024
  • In the long annals of the republic, the White House has seen its share of perfidy and scandal, presidents who cheated on their wives and cheated the taxpayers, who abused their power and abused the public trust.
    — Peter Baker, New York Times, 2 Aug. 2023
  • Anybody who gets Barlow on the phone had better be prepared to talk or trade emails for hours about the nuclear black market, Pakistan's perfidy, his many travails and, now, the nuclear deal with Iran.
    — Jeff Stein, Newsweek, 4 Dec. 2013
  • 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
  • For Greenwald, the Carlson story has become another example of the perfidy of an incurious media unwilling to question state power.
    — Jacob Silverman, The New Republic, 2 July 2021
  • Barbara Engelking and Jacek Leociak confront the unimaginable with a day-to-day history of the Warsaw ghetto in all of its agony, perfidy and heroism.
    — Jim Shepard, WSJ, 28 May 2021

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'perfidy.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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