1
as in unreasonable
not using or following good reasoning
it's fallacious to say that something must exist because science hasn't proven its nonexistence
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in misleading
tending or having power to deceive
consumers who harbor the fallacious belief that credit-card spending will never catch up with them
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of fallacious
However, not all slippery slope arguments are fallacious.
—
Mark Travers, Forbes.com, 26 Mar. 2025
That will in turn spread on social media, which often plays a disproportional role in boosting these disinformation efforts by providing nearly unlimited platforms for unfiltered content and fallacious and deceptive claims.
—Peter Suciu, Forbes, 23 Dec. 2024
Lawyers who argued for his ouster on behalf of the National Assembly said the claims by Mr. Yoon were fallacious.
—Choe Sang-Hun, New York Times, 1 Apr. 2025
However, not all slippery slope arguments are fallacious.
—Mark Travers, Forbes.com, 26 Mar. 2025
See All Example Sentences for fallacious
Mark Travers, Forbes.com, 26 Mar. 2025
That will in turn spread on social media, which often plays a disproportional role in boosting these disinformation efforts by providing nearly unlimited platforms for unfiltered content and fallacious and deceptive claims.
—Peter Suciu, Forbes, 23 Dec. 2024
Lawyers who argued for his ouster on behalf of the National Assembly said the claims by Mr. Yoon were fallacious.
—Choe Sang-Hun, New York Times, 1 Apr. 2025
However, not all slippery slope arguments are fallacious.
—Mark Travers, Forbes.com, 26 Mar. 2025
See All Example Sentences for fallacious
Recent Examples of Synonyms for fallacious
Adjective
-
In making arrests, the federal government allegedly went against both immigration laws and the Fourth Amendment, which protects people from unreasonable searches and seizures by the government, the plaintiffs argue.—
Laura Rodríguez Presa,
Chicago Tribune,
14 July 2025
-
Medical device safety alert: issued in situations where a medical device may present an unreasonable risk of substantial harm.—
Marley Malenfant,
Austin American Statesman,
3 July 2025
Adjective
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In the case of mania, a mental health symptom where patients experience irrational self-belief and happiness, models responded correctly 80% of the time.—
PC Magazine,
PC Magazine,
13 July 2025
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This tracks with an observation made by the journalist David Epstein, who writes in Range: Why Generalists Triumph in a Specialized World that athletes from tiny towns have irrational levels of success.—
Henry Abbott,
The Atlantic,
12 July 2025
Adjective
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The suit alleges excessive fees resulting in high annual percentage rates, deceptive tipping practices and misleading consumers about the voluntary nature of fees.—
AJ Dhaliwal,
Forbes.com,
9 July 2025
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Mayes seeks to dissolve both companies, citing violations of the Arizona Consumer Fraud Act and deceptive practices targeting underage customers.—
Jose R. Gonzalez,
AZCentral.com,
9 July 2025
Adjective
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His claims are false and do not reflect accountability for the impact of his actions on the community.—
Marley Malenfant,
Austin American Statesman,
3 July 2025
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The Federal Motor Carrier Safety Administration report said that driver also made a false report related to hours of service.—
Matthew Adams,
Fort Worth Star-Telegram,
3 July 2025
Adjective
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Trump’s comments came as Secretary of State Marco Rubio announced sanctions against U.N. official Francesca Albanese, accusing her of pushing illegitimate efforts at the International Criminal Court targeting U.S. and Israeli leaders.—
Samantha-Jo Roth,
The Washington Examiner,
9 July 2025
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And then, on top of it, I was born out of some affair like some illegitimate, sinful mistake?—
Brie Stimson,
FOXNews.com,
28 June 2025
Adjective
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The android, played by Alexander Skarsgård, is often fed up with humans and their illogical, self-defeating choices.—
Omar L. Gallaga,
Los Angeles Times,
11 July 2025
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As presented in the Gang's illogical scapegoating, fearmongering, and overall manipulative self-exoneration, the debate turned into a farce.—
Dennis Perkins,
EW.com,
10 July 2025
Cite this Entry
“Fallacious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fallacious. Accessed 19 Jul. 2025.
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