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
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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
Example Sentences
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Recent Examples of fallacy
There’s also the fallacy of one-size-fits-all financial advice.
—
Benjamin Van Der Lande, Forbes.com, 25 June 2025
Adapt And Act With Integrity The ability to foresee every PR crisis is a fallacy.
—Expert Panel®, Forbes.com, 8 July 2025
Denialists tend to cherry-pick evidence, set impossible levels of evidence and engage in logical fallacies.
—H. Christopher Frey, The Conversation, 5 June 2025
The list of projects that fall prey to the sunk cost fallacy are legion.
—Neil Senturia, San Diego Union-Tribune, 16 June 2025
See All Example Sentences for fallacy
Benjamin Van Der Lande, Forbes.com, 25 June 2025
Adapt And Act With Integrity The ability to foresee every PR crisis is a fallacy.
—Expert Panel®, Forbes.com, 8 July 2025
Denialists tend to cherry-pick evidence, set impossible levels of evidence and engage in logical fallacies.
—H. Christopher Frey, The Conversation, 5 June 2025
The list of projects that fall prey to the sunk cost fallacy are legion.
—Neil Senturia, San Diego Union-Tribune, 16 June 2025
See All Example Sentences for fallacy
Recent Examples of Synonyms for fallacy
Noun
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In this sense, the Acosta interview is just a product of what feels like a collective delusion.—
Charlie Warzel,
The Atlantic,
18 Aug. 2025
-
But almost any retrospective coverage of anything in football — particularly, it must be said, from the 1990s — is so overwhelmingly positive to the point of delusion.—
Michael Cox,
New York Times,
16 Aug. 2025
Noun
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Those convictions ended up being tossed by the Supreme Court, which ruled that the scheme, while involving deception and corruption, did not violate federal law.—
Zach LaChance,
The Washington Examiner,
25 Aug. 2025
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Digital deception is still deception under the law.—
Kate Plummer,
MSNBC Newsweek,
20 Aug. 2025
Noun
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For decades, Cubs fans clung to myths like the black cat and the Billy Goat Curse while searching for explanations for bad occurrences, only to see the team finally break through in 2016 and win a World Series.—
Paul Sullivan,
Chicago Tribune,
19 Aug. 2025
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In myth, if a hero wants to achieve greatness—to slay a multiheaded Hydra, to part the Red Sea, to bring balance to the Force—he is almost required to have a dramatic paternity reveal.—
Jennifer Wilson,
New Yorker,
18 Aug. 2025
Noun
-
Christian Kuntz for making a bunch of errors at the hot corner.—
Mike Jones,
New York Times,
18 Aug. 2025
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When applied across a $500 million capital investment in net new builds—where UPS systems might account for only a small portion—the effect is at less than 1%, effectively a rounding error in the overall budget.—
Ryan Mallory,
Forbes.com,
18 Aug. 2025
Noun
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And some — like their Angel of Death illusion — weigh about five tons.—
Jenelle Riley,
Variety,
19 Aug. 2025
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The seeming randomness in their outputs—which makes each response slightly different—creates an illusion of unpredictability that resembles agency.—
ArsTechnica,
ArsTechnica,
13 Aug. 2025
Noun
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Trump’s processes are too chaotic, his speech too riddled with falsehoods, and his policy shifts too abrupt for foreign leaders to trust him.—
MICHAEL KIMMAGE,
Foreign Affairs,
19 Aug. 2025
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Fact-checkers have largely given up due to the huge volume of falsehoods.—
DP Opinion,
Denver Post,
17 July 2025
Cite this Entry
“Fallacy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fallacy. Accessed 28 Aug. 2025.
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