1
as in deception
the inclination or practice of misleading others through lies or trickery
her deceitfulness about the long-term effects of her weight-loss program was finally exposed
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in deceit
the tendency to tell lies
his lifelong deceitfulness began when he was just a toddler
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Antonyms & Near Antonyms
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Recent Examples of deceitfulness
Perfidy — from the French perfidie via the Latin perfidia — means deceitfulness, treachery or a breach of faith or promise.
—
Harmeet Kaur, CNN Money, 21 Jan. 2026
Harmeet Kaur, CNN Money, 21 Jan. 2026
Recent Examples of Synonyms for deceitfulness
Noun
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However genuine their connection, their paths were forged in deception and self-loathing.—
Andy Andersen,
Vulture,
13 Apr. 2026
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Their commitment to the deception has no limit.—
Matt Cabral,
Entertainment Weekly,
13 Apr. 2026
Noun
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Consider this evilmeister’s brazen acts of treason and revenge, unbounded deceit, swinish immorality and negative role modeling.—
Voice of the People,
New York Daily News,
5 Apr. 2026
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Taking someone’s money by deceit is generally not allowed, and the misrepresentations contained in the contract could serve as proof of the alleged fraud.—
Robert L. Boone,
Sportico.com,
31 Mar. 2026
Noun
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Of course, the retort is that this would be irritating and exasperating to be continually deluged with alerts about AI deceptiveness.—
Lance Eliot,
Forbes.com,
24 Aug. 2025
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Beyond the deceptiveness of the narrow material view, spiritual light and hope are always present to be found and felt.—
Sue Brightman,
Christian Science Monitor,
3 Jan. 2025
Noun
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Sean McMorris, transparency, ethics and accountability program manager with California Common Cause, a nonpartisan government watchdog, said in an email Friday that heavy reliance on outside vendors can increase the risk of fraud or mismanagement if oversight is weak.—
Teresa Liu,
Daily News,
18 Apr. 2026
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DeviantArt’s Protect feature uses state-of-the-art image recognition to help safeguard creators’ work against unauthorized use, and the platform employs a dedicated team to investigate and mitigate the impact from spam, scams, fraud, and other bad actors.—
The Editors of ARTnews,
ARTnews.com,
17 Apr. 2026
Noun
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But even for in-person classes, adaptations to prevent LLM cheating are often concessions that reduce pedagogical quality.—
ArsTechnica,
ArsTechnica,
13 Apr. 2026
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Time and again, the panel of experts invited to provide testimony said voter fraud is exceedingly rare and that there is no evidence of widespread cheating.—
Linh Tat,
Daily News,
8 Apr. 2026
Noun
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Maybe the mere fact of having been born illustrious, with no apparent faults, with nothing to prove or to be ashamed of, had liberated John from the resentments the rest of us feel, and from the cunning and ambition such resentments fuel.—
Jeffrey Eugenides,
New Yorker,
4 Apr. 2026
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The Brazil international combines technical craft with a decisive cunning.—
Carl Anka,
New York Times,
21 Mar. 2026
Cite this Entry
“Deceitfulness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/deceitfulness. Accessed 19 Apr. 2026.
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