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
The same economists who believe in the same fallacious economic notions?
—
John Tamny, Forbes.com, 6 July 2025
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
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
There might be a bigger market for these products, and more consumers might be immune to the fallacious argument that they’re overly processed, if more people were persuaded of the ills of factory farming.
—Kenny Torrella, Vox, 7 Dec. 2018
See All Example Sentences for fallacious
John Tamny, Forbes.com, 6 July 2025
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
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
There might be a bigger market for these products, and more consumers might be immune to the fallacious argument that they’re overly processed, if more people were persuaded of the ills of factory farming.
—Kenny Torrella, Vox, 7 Dec. 2018
See All Example Sentences for fallacious
Recent Examples of Synonyms for fallacious
Adjective
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As in Williams’ case, attorneys argued that a sweep had violated the plaintiffs’ Fourth Amendment rights protecting them from unreasonable search and seizure, as well as their 14th Amendment right to due process.—
Ariane Lange,
Sacbee.com,
24 Mar. 2026
-
Because that is ultimately what The Secret Garden is about—the stubborn, almost unreasonable insistence of living things to grow toward the light.—
Literary Hub,
Literary Hub,
23 Mar. 2026
Adjective
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Winds high above Saturn were generating electrical currents, creating a misleading auroral signal that mimicked changes in rotation.—
Rupendra Brahambhatt,
Interesting Engineering,
28 Mar. 2026
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Parts of the ballot language backing a tax on second homes in San Diego are misleading and must be amended, a judge ruled Thursday.—
Roxana Popescu,
San Diego Union-Tribune,
27 Mar. 2026
Adjective
-
There’s something both early American and midcentury modern in the design of these solid-oak vanities, which arrived just as everyone seems to have gotten over an irrational fear of brown furniture.—
Nicole Hoey,
Robb Report,
31 Mar. 2026
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The answer turned out to be four more years of sacrifice, struggle, and hope that must have felt, at times, completely irrational.—
Sharon McMahon,
Glamour,
25 Mar. 2026
Adjective
-
Also, offering free samples is deceptive marketing, due to evidence that 7-OH is addictive.—
Jack Harvel,
Kansas City Star,
31 Mar. 2026
-
Set in the heart of Midtown Manhattan, the grandiosity of MoMA is deceptive.—
Condé Nast,
Condé Nast Traveler,
30 Mar. 2026
Adjective
-
Bainbridge knew about secrets and unreasoning shame.—
Christopher Tayler,
Harpers Magazine,
27 Jan. 2026
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Let sound political prescience but take the place of an unreasoning prejudice, and this will be done.—
Frederick Douglass,
The Atlantic,
16 Aug. 2017
Adjective
-
Lebohang Morake — the Grammy-winning South African composer behind the film’s opening Zulu vocals — filed a federal civil complaint in California on March 16 against the comedian, Learnmore Jonasi, alleging that the translation is false and damaging to his life’s work.—
Joe Kottke,
NBC news,
27 Mar. 2026
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Rebollo, a 58-year-old Chula Vista resident, pleaded guilty in December in San Diego federal court to one count of wire fraud conspiracy, one count of filing a false tax return and one count related to Social Security fraud.—
Alex Riggins,
San Diego Union-Tribune,
27 Mar. 2026
Adjective
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The show followed the destitute Cuylers — father Early, his illegitimate son Rusty, his meth-loving sister Lily, and his crabby grandmother Granny — and their various moneymaking high jinks.—
Eric Vilas-Boas,
Vulture,
18 Mar. 2026
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But then a mysterious Romany woman (Rebecca Ferguson) turns up, and persuades him to return to Birmingham, in order to bring his violent illegitimate son (Barry Keoghan) – who now runs his Peaky Blinders mob – to heel.—
The Week UK,
TheWeek,
12 Mar. 2026
Adjective
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In each case, the actual right to your body is deferred to some third party, either the paternalists, the hypothetical children, or unreasoned authority.—
Kyle Munkittrick,
Discover Magazine,
20 June 2011
Cite this Entry
“Fallacious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fallacious. Accessed 4 Apr. 2026.
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