as in infidelity
lack of faithfulness especially to one's husband or wife
perfidiousness eventually led to the couple's divorce
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for perfidiousness
Noun
-
The exciting news comes after a tumultuous few months for Coi, who kicked off 2025 by announcing a child with Trippie before accusing him of infidelity.—
Mackenzie Cummings-Grady,
Billboard,
15 Apr. 2025 -
Huston could recognize the ways of that brood: her own renowned and eccentric family inhabited that domestic world of privilege, power, infidelity, and intrigue that became Christie’s writerly milieu.—
Erik Morse,
Vogue,
15 Apr. 2025
Noun
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Within the White Lotus, adultery abounds, couples engage in power plays, and flirtatious encounters occur among old friends and strangers alike.—
Sophie Gilbert,
The Atlantic,
8 Apr. 2025
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In his 1991 book The Third Chimpanzee: The Evolution and Future of the Human Animal, biologist Jared Diamond claimed the adultery rate among humans was between 5% and 30%.—
ByAndrew Curry,
science.org,
6 Mar. 2025
Noun
-
The dream scenario, for many fans at least, was for Kingston and Woods’ betrayal of Big E to lead to an in-ring return for Big E, a former WWE Champion.—
Blake Oestriecher,
Forbes.com,
20 Apr. 2025
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First, of course, is the question of how Matty and Olympia will reckon with Julian's betrayal and the complicity of Howard who, in addition to being Olympia's senior, is also her ex-father-in-law.—
Randall Colburn,
EW.com,
19 Apr. 2025
Noun
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The prior month, Vice President JD Vance had lodged his own complaints about Europe’s alleged perfidy, threatening that the United States might withdraw its security guarantees from Europe if the EU continued to aggressively regulate U.S. tech companies.—
ANU BRADFORD,
Foreign Affairs,
21 Apr. 2025
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Despite high trade deficits, the U.S. economy is strong Trump and his advisers point to America’s lopsided trade numbers—year after year of huge deficits—as proof of foreigners’ perfidy.—
Time,
Time,
9 Apr. 2025
Noun
-
The Game is speaking up after the controversial figure attempted to call him out for disloyalty on X/Twitter.—
Jessica Bennett,
VIBE.com,
14 Apr. 2025
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The director of the National Security Agency, Gen. Timothy Haugh, was among the numerous officials far-right activist Laura Loomer urged President Donald Trump to remove during her official Oval Office meeting earlier this week, citing evidence of disloyalties, multiple sources tell ABC News.—
Will Steakin,
ABC News,
4 Apr. 2025
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Cite this Entry
“Perfidiousness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perfidiousness. Accessed 1 May. 2025.
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