1
as in delusion
a false idea or belief
the once-common fallacy that girls just weren't any good at math
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Antonyms & Near Antonyms
2
as in deception
the quality or state of being false
the fallacy of the notion of spontaneous generation was demonstrated by the Dutch naturalist Leeuwenhoek
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Antonyms & Near Antonyms
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Recent Examples of fallacy
The fallacy of first is demonstrated by the Netscape, Napster, Sony’s Betamax, GM’s EV1 electric vehicle, Kodak’s first digital camera in 1975, and UPS’ launch of an overnight delivery service in 1929 as potent reminders that being first is not the winning formula; being the best is.
—
Jeffrey Sonnenfeld, Fortune, 21 Apr. 2026
This was the fallacy that led to the rise of elegant, beautiful, and compelling scenarios — grand unification, supersymmetry, extra dimensions, and string theory — whose predictions simply don’t appear to match experimental reality in any measurable way.
—Big Think, 1 Apr. 2026
Rose pointed out that our decision-making, especially System 1 decision-making, is affected by cognitive biases and logical fallacies.
—Neil J. Rubenking, PC Magazine, 26 Mar. 2026
The fallacy in that argument might not jump out at everybody.
—Edward Lotterman, Twin Cities, 22 Mar. 2026
See All Example Sentences for fallacy
Jeffrey Sonnenfeld, Fortune, 21 Apr. 2026
This was the fallacy that led to the rise of elegant, beautiful, and compelling scenarios — grand unification, supersymmetry, extra dimensions, and string theory — whose predictions simply don’t appear to match experimental reality in any measurable way.
—Big Think, 1 Apr. 2026
Rose pointed out that our decision-making, especially System 1 decision-making, is affected by cognitive biases and logical fallacies.
—Neil J. Rubenking, PC Magazine, 26 Mar. 2026
The fallacy in that argument might not jump out at everybody.
—Edward Lotterman, Twin Cities, 22 Mar. 2026
See All Example Sentences for fallacy
Recent Examples of Synonyms for fallacy
Noun
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His delusion is central to why this revival is so potent.—
Chris Jones,
Chicago Tribune,
11 May 2026
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Concerns have grown over the potential for AI chatbots to fuel delusions in people, especially those who are already vulnerable to mental health problems.—
Laura Jarrett,
NBC news,
10 May 2026
Noun
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What begins as a small con deepens when the painter’s shrewd agent (Gilles Lellouche) spots an opportunity, encouraging Suzanne to continue the deception as a way to revive his client’s creativity — and bankroll them both.—
Scott Roxborough,
HollywoodReporter,
12 May 2026
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Olivia Beech, America’s youngest female sommelier, tragically lost her sense of taste during COVID, but relied on her sharp sense of smell until she was fired for her deception.—
Paula L. Woods,
Los Angeles Times,
12 May 2026
Noun
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Some believe Benjamin Franklin wanted the wild turkey to be the national bird because the eagle steals food from other birds, but Kochersperger said that’s a myth.—
Sarah Raza,
Chicago Tribune,
15 May 2026
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Like so many historical myths, this swashbuckling tale of pirates, court accusations, and gossip, which frames the rags-to-riches emergence of this American family, is rife with historical fiction.—
Literary Hub,
Literary Hub,
14 May 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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The Knights fell behind 3-0 after Canyon’s Mia Saenz hit a two-run home run and added another run on an error.—
Eric Sondheimer,
Los Angeles Times,
15 May 2026
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Instead, Adames committed an inexcusable baserunning error by forgetting how many outs there were in the seventh inning, allowing Ohtani to complete seven scoreless innings as the Giants’ three-game winning streak was snapped.—
Justice delos Santos,
Mercury News,
14 May 2026
Noun
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While Goodman’s paradoxes and fantasies posed challenges to me as her biographer, with the advent of AI slop and ChatGPT, our courtship with illusion (and possibly delusion) is here to stay.—
Literary Hub,
Literary Hub,
13 May 2026
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Van Dyke saw his job less as someone creating CG imagery — of which there was almost none in the sequence — than as a sort of additional set decorator, adding physical elements to sell the illusion.—
Jim Hemphill,
IndieWire,
12 May 2026
Noun
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There are questions being raised, and the best antidote for falsehood is the truth in accuracy.—
Adam Sabes , Stepheny Price,
FOXNews.com,
8 May 2026
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In the minutes, hours and days following Saturday’s interrupted White House Correspondents’ Association dinner, Americans were inundated by falsehoods and conspiracy theories from nearly every flank.—
Jane Lytvynenko,
NBC news,
3 May 2026
Cite this Entry
“Fallacy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fallacy. Accessed 15 May. 2026.
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