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
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
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
See All Example Sentences for fallacious
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
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
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
-
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
-
In the suit, filed Friday, Newsom says that Fox News had used deceptive edits to claim that the governor had lied in saying that Trump had not called him about deploying National Guard troops during the L.A. protests.—
Caitlin Huston,
HollywoodReporter,
27 June 2025
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Florida is leading the way in what can become a national movement to crack down on hospitals’ deceptive and unfair billing practices.—
Cynthia A. Fisher,
Sun Sentinel,
26 June 2025
Adjective
-
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
-
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
Adjective
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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
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In addition to frequent password updates, individuals will need to be more alert about the increasing amount of malware hiding in illegitimate software, applications and other downloadable files, Valenzuela said.—
Dylan Butts,
CNBC,
26 June 2025
Adjective
-
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 12 Jul. 2025.
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