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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This places the blame on the victim rather than the perpetrator of infidelity.—
Mark Travers,
Forbes.com,
2 June 2025 -
These include infidelities, unspoken longings, and thorny questions of land inheritance.—
The New Yorker,
New Yorker,
2 June 2025
Noun
-
Directed by Jonathan Li and Choy Man-yu, the film stars Louis Koo as a private detective investigating a complex case involving adultery and murder.—
Naman Ramachandran,
Variety,
2 June 2025
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Many scandals arise from the occasion of these activities, and adulteries and other outrageous crimes are committed as a clear offence to God, a very serious danger to the souls of those committing them, and a pernicious example to others.—
The Editors,
JSTOR Daily,
27 Mar. 2025
Noun
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Financial elder abuse victims Financial elder abuse victims suffer affects to their psychological, emotional and physical well-being, such as feelings of betrayal, fear, guilt, depression and anxiety, according to the grand jury report.—
Rosalio Ahumada,
Sacbee.com,
5 June 2025
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There’s a subtle sense that taking pleasure in domesticity might be a betrayal of my values—as if nurturing children, or even enjoying something as benign as baking, plays into oppressive tropes.—
Samantha Mann,
Time,
5 June 2025
Noun
-
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
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An alive Isobel in turn revealed herself to Keane, pretended to want in on Forefront, and snitched on JOC’s whereabouts to prove her disloyalty.—
Matt Webb Mitovich,
TVLine,
20 May 2025
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That's telling about the culture that was created in which questioning or stress-testing created suspicions of disloyalty.—
Philip Elliott,
Time,
20 May 2025
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“Perfidiousness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perfidiousness. Accessed 15 Jun. 2025.
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