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
-
The issue is critical because the Fourth Amendment is supposed to protect people from invasive government actions in their homes, shielding them from unreasonable searches and seizures.—
Arkansas Online,
Arkansas Online,
24 Jan. 2026
-
Love, in this cultural script, is supposed to feel good most of the time, and that expectation isn’t entirely unreasonable.—
Mark Travers,
Forbes.com,
24 Jan. 2026
Adjective
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Experts immediately pointed out that Hassett had used a misleading method known as a cubic fit to make the mortality data appear less frightening.—
Rogé Karma,
The Atlantic,
7 Jan. 2026
-
For its misleading omissions, the Times story deserves a flunking grade.—
Orlando Sentinel,
The Orlando Sentinel,
7 Jan. 2026
Adjective
-
Tempering the not-so-irrational fears out there about AI replacing human workers, Jensen offered a more optimistic view.—
Zev Fima,
CNBC,
21 Jan. 2026
-
In that space, intuition, which was once dismissed as irrational or unreliable, has started to re-enter the conversation.—
William Jones
January 21,
Miami Herald,
21 Jan. 2026
Adjective
-
Until now, New York only prohibited deceptive practices, but starting February 2026 the Attorney General can pursue companies for conduct that causes substantial consumer harm or takes advantage of consumers’ lack of understanding even if no fraud is involved.—
AJ Dhaliwal,
Forbes.com,
21 Jan. 2026
-
This deceptive categorization is devoid of reality and misleads the American public.—
CBS News,
CBS News,
19 Jan. 2026
Adjective
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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
-
Over the past two years, attorneys for Meija have argued in post-conviction hearings that prosecutors introduced false and misleading testimony at trial and newly available scientific methods proved that Casiaono, who was submerged in a bathtub full of scalding water, died by accident.—
Tony Plohetski,
Austin American Statesman,
23 Jan. 2026
-
Banfield’s defense attorney has accused prosecutors of offering Peres Magalhães a way out of prison in exchange for a false story to pin the murders on Banfield.—
Lauren del Valle,
CNN Money,
23 Jan. 2026
Adjective
-
International observers, however, have widely dismissed the election as illegitimate, held amid ongoing conflict and mass displacement.—
Miranda Jeyaretnam,
Time,
23 Jan. 2026
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The alternative is a politics in which the state survives by making dissenters illegitimate as citizens.—
Stephanie A,
The Conversation,
22 Jan. 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 28 Jan. 2026.
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