1
as in delusion
a false idea or belief
the once-common fallacy that girls just weren't any good at math
Synonyms & Similar Words
Relevance
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
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of fallacy
Alas, economics is littered with fallacies.
—
Steve H. Hanke, Fortune, 24 Feb. 2026
The fallacy was that it was limited to the United States.
—Mike Fleming Jr, Deadline, 13 Feb. 2026
Anyone who looks at Appian's financials' can recognize the fallacy of this bear case, as the company's growth and retention metrics look nothing like those of companies with actual AI risk.
—Kenneth Squire, CNBC, 7 Feb. 2026
The volume fallacy is a common storytelling blind spot, where leaders confuse speaking frequently with actually being heard by their audiences.
—Harrison Monarth, Forbes.com, 21 Jan. 2026
See All Example Sentences for fallacy
Steve H. Hanke, Fortune, 24 Feb. 2026
The fallacy was that it was limited to the United States.
—Mike Fleming Jr, Deadline, 13 Feb. 2026
Anyone who looks at Appian's financials' can recognize the fallacy of this bear case, as the company's growth and retention metrics look nothing like those of companies with actual AI risk.
—Kenneth Squire, CNBC, 7 Feb. 2026
The volume fallacy is a common storytelling blind spot, where leaders confuse speaking frequently with actually being heard by their audiences.
—Harrison Monarth, Forbes.com, 21 Jan. 2026
See All Example Sentences for fallacy
Recent Examples of Synonyms for fallacy
Noun
-
The other path is pressing on in your delusions, hoping you will eventually be vindicated.—
Daniel DePetris,
Chicago Tribune,
31 Mar. 2026
-
Several reports find psychosis among those who are addicted and could result in hallucinations, delusions and confusion.—
Josh Kelly,
Oklahoman,
26 Mar. 2026
Noun
-
In 2024, North Korea claimed to have successfully testlaunched a multiwarhead missile, but South Korea quickly dismissed it as deception to cover up a failed launch.—
Arkansas Online,
Arkansas Online,
30 Mar. 2026
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These include debt bondage, restriction of movement, withholding of wages, excessive overtime, physical violence, surveillance, deception, isolation, abuse of vulnerability and abusive conditions.—
Efrat Lachter,
FOXNews.com,
29 Mar. 2026
Noun
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Later, settle in for a pint at Teach Ósta, the lone pub, where conversations drift easily from myth to weather to memory.—
Condé Nast Traveler,
Condé Nast Traveler,
25 Mar. 2026
-
Just like ancient legends and myths, names have power.—
JD Barker,
Rolling Stone,
25 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
Noun
-
Wait times are based on data reported by users and are not exact or error-free.—
AJC.com,
AJC.com,
26 Mar. 2026
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But the Barons got the final out on a base running error by the Sea Kings.—
Lou Ponsi,
Oc Register,
26 Mar. 2026
Noun
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But then, over the course of several viewings, new recognitions dawned—on the social contract, illusions of class, and the artist’s deft use of color in this gorgeous study of red, white, and blue.—
Laura Brown,
Artforum,
25 Mar. 2026
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One abruptly gains social permission to behave just as mercifully—to go without the same illusion—to oneself.—
Caleb Crain,
Harpers Magazine,
24 Mar. 2026
Noun
-
Goldman cast doubt on the Justice Department’s claim that the falsehood made it into the government’s legal defense of ICE due to human error.—
Molly Crane-Newman,
New York Daily News,
27 Mar. 2026
-
The truth is always more useful than a comforting falsehood.—
Omar Kelly,
Miami Herald,
18 Mar. 2026
Cite this Entry
“Fallacy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fallacy. Accessed 1 Apr. 2026.
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