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
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of fallacy
So, there is an economic fallacy here, and the fallacy is that trade deficits actually mean anything.
—
ABC News, 18 May 2025
The governor and the backers of HSR are willfully ignorant of how their toxic embrace of the sunk cost fallacy is harming California.
—Jon Coupal, Oc Register, 11 May 2025
This is a logical fallacy—specifically, a misinterpretation of categorical logic.
—Lance Eliot, Forbes, 6 Mar. 2025
One such skill is identifying logical fallacies and inconsistencies in arguments, both of which errors are exemplified in Mr. Williams’ article.
—Reader Commentary, Baltimore Sun, 7 May 2025
See All Example Sentences for fallacy
ABC News, 18 May 2025
The governor and the backers of HSR are willfully ignorant of how their toxic embrace of the sunk cost fallacy is harming California.
—Jon Coupal, Oc Register, 11 May 2025
This is a logical fallacy—specifically, a misinterpretation of categorical logic.
—Lance Eliot, Forbes, 6 Mar. 2025
One such skill is identifying logical fallacies and inconsistencies in arguments, both of which errors are exemplified in Mr. Williams’ article.
—Reader Commentary, Baltimore Sun, 7 May 2025
See All Example Sentences for fallacy
Recent Examples of Synonyms for fallacy
Noun
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Among these, schizophrenia, a complex mental health condition marked by hallucinations, delusions, and disorganized thinking, stands out.—
William A. Haseltine,
Forbes.com,
19 June 2025
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Ultimately, there may be no way for Israel to escape its smart-bomb delusion—or another quagmire in the Middle East.—
Robert A. Pape,
Foreign Affairs,
17 June 2025
Noun
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This stylization gives her a veneer of being disarmingly kind; but ultimately, is a form of deception that caused Sophie to fatally trust this person.—
Tiffany Leigh,
Forbes.com,
25 June 2025
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Codenamed Operation Midnight Hammer, the overnight mission relied on deception, aerial refueling, and near-total radio silence to hit Iran's Fordo and Natanz enrichment facilities—sites that had withstood weeks of sustained Israeli attacks.—
Jesus Mesa,
MSNBC Newsweek,
23 June 2025
Noun
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When the photographer Víctor Zea was a child living in Lima, Peru, he was taught an Inca myth of origin.—
Ana Karina Zatarain,
New Yorker,
21 June 2025
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Getting up to speed on the modern-day reality of actual EV usage and charging habits proves to be the antidote to overcoming the ever-fading yet persistent myth of range anxiety.—
Melanie Marshall,
San Diego Union-Tribune,
20 June 2025
Noun
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That poll surveyed 658 Virginia residents between May 12 and May 19, and has a weighted margin of error of 5.25 percent.—
Khaleda Rahman,
MSNBC Newsweek,
19 June 2025
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Many small business workers may not have digital access or face language barriers when missing paperwork or tech errors can result in automatic loss of coverage.—
Rhett Buttle,
Forbes.com,
19 June 2025
Noun
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And if anyone was naive enough to imagine the U.S.-led tournament in 2026 would be free of such political baggage, then surely the increasingly public proximity of the Trump-Infantino relationship has dispelled those illusions.—
Oliver Kay,
New York Times,
20 June 2025
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The entire spectacle is, of course, a line-of-sight illusion — all three objects extremely far from each other.—
Jamie Carter,
Forbes.com,
20 June 2025
Noun
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The growth in measles cases over the past few months comes as Health and Human Services (HHS) Secretary Robert F. Kennedy Jr. continues to deliver an inconsistent message about measles as well as pushing falsehoods about the measles vaccine and its makeup.—
Mandy Taheri,
MSNBC Newsweek,
15 June 2025
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The narrative echoes similar falsehoods that circulated during the 2020 George Floyd protests and the 2024 pro-Palestinian student protests on university campuses.—
Carmen Sesin,
NBC news,
14 June 2025
Cite this Entry
“Fallacy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fallacy. Accessed 3 Jul. 2025.
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