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
-
The same could be true of the recent cost estimates, but construction technology has advanced in the past half century, so that lower costs per mile are not unreasonable.—
Michael Lynch,
Forbes.com,
25 July 2025
-
His exact demands are unknown but given his status as one of the world’s leading players a range of £250,000 to £300,000 a week is far from unreasonable.—
Chris Weatherspoon,
New York Times,
25 July 2025
Adjective
-
And even some buyers who pride themselves on discipline and efficiency turn somewhat irrational.—
Ken Rosenthal,
New York Times,
28 July 2025
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The firm’s Hype Cycle normalizes — even glamorizes — the irrational, costly overpromising and overselling that hype entails.—
Eric Siegel,
Forbes.com,
28 July 2025
Adjective
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Amazon has prevailed in a class-action lawsuit that accused it of engaging in deceptive trade practices.—
Will McCurdy,
PC Magazine,
19 July 2025
-
Attorney General Phil Weiser’s office sent CBZ and its constituent companies several subpoenas in September as investigators probed the chronically unsafe conditions of the companies’ properties, as well as allegations from tenants that CBZ had engaged in insurance fraud and deceptive practices.—
Seth Klamann,
Denver Post,
16 July 2025
Adjective
-
He’s hosted several world leaders for explosive Oval Office sit downs, including South African President Cyril Ramaphosa, who Trump argued with over false claims that white farmers in the country were victims of a genocide, and Ukrainian President Volodymyr Zelenskyy in February.—
Sara Dorn,
Forbes.com,
16 July 2025
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In November 2009, Richard pleaded guilty to the latter charge, while Mayumi pleaded guilty to a misdemeanor charge of false reporting to authorities, per CNN.—
EW.com,
EW.com,
15 July 2025
Adjective
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Carlson said he's seen a lot of online comments on posts about his new record claiming the fish's weight seems impossible and bow fishing being illegitimate.—
Natalie Davies,
Freep.com,
23 July 2025
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However, in past few years, the European Union has focused its attention on regulating activities in freeports, especially after increasing instances of use of these freeports, including those in Switzerland and Geneva, for illegitimate activities.—
Priya Prakash Royal Esq. LL.M. MBA AEP TEP,
Forbes.com,
1 June 2025
Adjective
-
Some Gen Zers defended the stare as a response to illogical questions from customers, while others acknowledged it as a reflection of anxiety in social interactions.—
Rachel Hale,
USA Today,
16 July 2025
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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
Cite this Entry
“Fallacious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fallacious. Accessed 1 Aug. 2025.
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