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
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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
-
The Biden-era Justice Department, Washington, D.C., and six states sued in 2021, arguing the alliance violates Section 1 of the Sherman Act, a federal antitrust law that prohibits unreasonable restraints on competition.—
Zach Schonfeld,
The Hill,
30 June 2025
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The post garnered hundreds of responses with the majority of commenters arguing that her critique of her friend was unreasonable.—
Latoya Gayle,
People.com,
28 June 2025
Adjective
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So watch for seemingly irrational behavior and erratic tactical moves, as leadership is unafraid to confuse customers and take outsized capital risks.—
Forrester,
Forbes.com,
2 July 2025
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As Reva relates the stories of her three main characters—including one whose true passion is snail conservation—her novel hums with bruised faith in the irrational power of hope, whether for peace, love, endangered species, or familial reconciliation.—
The New Yorker,
New Yorker,
23 June 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
-
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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The Department of Homeland Security said in a statement that the claims are false.—
Alicia Victoria Lozano,
NBC news,
3 July 2025
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The City of Odessa, Texas, also said claims of a serial killer in the area were false in a Dec. 9 Facebook post.—
Joe Rassel,
The Orlando Sentinel,
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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All of which is to say, this rebound isn't totally illogical.—
Kelly Evans,
CNBC,
25 June 2025
-
This is not a regime worth defending, and recent progressive attempts to link the situation in Iran with the war in Iraq, ostensibly fought over weapons of mass destruction that did not prove to exist at scale, are illogical.—
The Editorial Board,
Chicago Tribune,
22 June 2025
Cite this Entry
“Fallacious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fallacious. Accessed 16 Jul. 2025.
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