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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The source also claimed that there were multiple instances of infidelity.—
Jason Pham,
StyleCaster,
8 July 2025 -
Researchers set out to explore why public reactions to celebrity infidelity vary so widely.—
Mark Travers,
Forbes.com,
8 July 2025
Noun
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After Swaggart accused Gorman of adultery, Gorman hired a private investigator who followed Swaggart and took the photographs in New Orleans that ignited the scandal.—
Muri Assunção,
New York Daily News,
1 July 2025
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Every look with such an irregular desire is in our Savior’s opinion a virtual adultery. . . .—
Merve Emre,
New Yorker,
16 June 2025
Noun
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In the process, the land is torn apart by fierce rivals, shifting loyalties, and bloody betrayals.—
Matt Grobar,
Deadline,
14 July 2025
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This year’s cast delivered all the twists and betrayals fans expect, and also helped create something unexpected: a new kind of community event.—
Cynthia Salinas Cappellano,
CNN Money,
13 July 2025
Noun
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Their perfidy is memorialized in the English language, though.—
Evan Osnos,
New Yorker,
26 May 2025
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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
Noun
-
Trump, the most unrelenting figure in American politics, doesn't forgive disloyalty.—
Jesus Mesa,
MSNBC Newsweek,
6 June 2025
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More cunningly, this also serves to instill you with guilt: as though refusing to align with their viewpoints equates to a signal of disloyalty.—
Mark Travers,
Forbes.com,
31 May 2025
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“Perfidiousness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perfidiousness. Accessed 19 Jul. 2025.
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