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
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Nader reportedly ended things due to suspecting Savchenko of infidelity.—
Maureen Lee Lenker,
EW.com,
8 Apr. 2025 -
Not this evil man blaming Tracy for his infidelity!—
Emma Specter,
Vogue,
28 Mar. 2025
Noun
-
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
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Conrad excuses himself to the bathroom, while Maeve approaches Archie and calls him out on his betrayal.—
Matt Cabral,
EW.com,
30 Mar. 2025
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The first few episodes of the season, which focus on the events of Holy Week — including the Last Supper, Judas's betrayal and Jesus's arrest — premiered on Friday, and the cast is eager to see how viewers respond.—
Lizzie Hyman,
People.com,
27 Mar. 2025
Noun
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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
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Jane’s fiercely unforgiving tone was adopted by militant Irish nationalists for whom the famine stood as the ultimate proof of English perfidy.—
Fintan O'Toole,
The New Yorker,
10 Mar. 2025
Noun
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Jewishness still represents disloyalty and waywardness, and a thing that is in concert with natives and their aspirations for national liberation.—
Isaac Chotiner,
The New Yorker,
19 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
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Cite this Entry
“Perfidiousness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perfidiousness. Accessed 21 Apr. 2025.
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