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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Antonyms & Near Antonyms
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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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of perfidy
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
To Netanyahu’s supporters urging restraint by Israel is an act of perfidy, rather than an instance of a president upholding his oath to protect American interests.
—Ben Krull, New York Daily News, 22 Apr. 2024
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.
—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
See All Example Sentences for perfidy
Edoardo Campanella, Foreign Affairs, 25 July 2024
To Netanyahu’s supporters urging restraint by Israel is an act of perfidy, rather than an instance of a president upholding his oath to protect American interests.
—Ben Krull, New York Daily News, 22 Apr. 2024
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.
—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
See All Example Sentences for perfidy
Recent Examples of Synonyms for perfidy
Noun
-
The funniest part was that the clause has some basis considering Johnson has been accused of infidelity by other partners, including Rosado.—
Keydra Manns,
Essence,
27 Feb. 2025
-
Amid his social media rampage, Rob also accused Chyna of drug abuse, alcohol abuse and infidelity.—
Stephanie Wenger,
People.com,
26 Feb. 2025
Noun
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Witness was his 1952 manifesto on fellow-traveling American liberals and their treachery, which emboldened the Soviet Union.—
Michael Kimmage,
Foreign Affairs,
25 Feb. 2025
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The songs typically crop up in the final act of an episode as the tensions (and treacheries) mount.—
Mark Peikert,
IndieWire,
13 Feb. 2025
Noun
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The faith is rooted in the Vedas, an ancient Hindu scripture and prescribes the five lifetime vows: no alcohol, no addictions, no adultery, no meat and no impurity of body and mind.—
James Powel,
USA TODAY,
9 Mar. 2025
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Under Taliban rule, morality laws are strictly enforced, and activities considered immoral or against Islamic principles—such as pornography, adultery, or LGBTQ+ content—are harshly punished.—
Dan Perry,
Newsweek,
28 Feb. 2025
Noun
-
The betrayal of Ukraine by President Donald Trump was hardly unexpected, but its execution—brazen, humiliating, and incredibly public—has left Europeans in shock.—
Gordon G. Chang,
Newsweek,
3 Mar. 2025
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Lesser novelists would build interest around the reveal, but Puchner is fascinated by the consequences, rather than the decisions themselves, and the consequences of Cece and Garrett’s betrayal of Charlie are profound.—
John Warner,
Chicago Tribune,
1 Mar. 2025
Noun
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Similarly, alienating a President seemingly intent on smashing anything approaching dissent or disloyalty is not a risk many Washington institutions are willing to take at the moment.—
Philip Elliott,
TIME,
12 Feb. 2025
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Another document, likely written by an officer, recorded acts of disloyalty by North Korean subordinates - a common practice in the totalitarian state, where citizens are encouraged to inform on each other.—
Nick Paton Walsh,
CNN,
28 Jan. 2025
Noun
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Another power given to the president was also universally considered extremely dangerous: that of granting pardons to individuals guilty of treason.—
Maurizio Valsania,
The Conversation,
5 Mar. 2025
-
Fries was arrested, convicted of treason and sentenced to hang.—
Bill Hamilton,
Baltimore Sun,
5 Mar. 2025
Articles Related to perfidy
Cite this Entry
“Perfidy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perfidy. Accessed 15 Mar. 2025.
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