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
-
Indeed, because deportation is not considered a criminal matter, the constitutional provisions protecting those accused and convicted of crimes do not apply, including prohibiting unreasonable searches and seizures, providing a lawyer and requiring a jury trial.—
Erwin Chemerinsky,
Twin Cities,
8 Apr. 2026
-
That has prompted constitutional concerns around the Fourth Amendment, which prevents unreasonable search and seizure.—
Lisa Hagen,
Hartford Courant,
7 Apr. 2026
Adjective
-
Such allegations are widespread but misleading.—
William Proctor,
The Orlando Sentinel,
11 Apr. 2026
-
Hartsuch, a proponent of using ivermectin to treat COVID-19, alleges that in December 2021, Kent Nebel, then the executive director of the Board of Medicine, indicated that 17 Iowa doctors had complaints filed against them for spreading false or misleading information about COVID-19.—
Clark Kauffman,
Iowa Capital Dispatch,
11 Apr. 2026
Adjective
-
Devereaux receives a hero’s welcome back home, but his irrational and violent behavior threatens his new livelihood, as does the knowledge of his cowardice held by Capt.—
Declan Gallagher,
Entertainment Weekly,
11 Apr. 2026
-
With the automation of more health billing decisions, irrational results have become increasingly common.—
Elisabeth Rosenthal,
Miami Herald,
8 Apr. 2026
Adjective
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There is a relaxing vibe about Hilton Head, and a lot of wedges in the hands of the best players, both of which can be deceptive.—
ABC News,
ABC News,
15 Apr. 2026
-
Anything else amounts to a deceptive user experience that can discourage users from visiting unfamiliar pages in the future.—
ArsTechnica,
ArsTechnica,
14 Apr. 2026
Adjective
-
Bainbridge knew about secrets and unreasoning shame.—
Christopher Tayler,
Harpers Magazine,
27 Jan. 2026
-
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
-
For me, the possible false note lay not in Aramayo’s performance but in the script.—
Justin Chang,
New Yorker,
17 Apr. 2026
-
Local police too, have stated that false posts circulating in WhatsApp groups, including claims of worker deaths and exaggerated reports of violence and arrests, have contributed to the escalation of unrest.—
Mayu Saini,
Footwear News,
17 Apr. 2026
Adjective
-
The only one that can be called truly illegitimate by global and historical standards is the claim to the whole of the South China Sea.—
Anatol Lieven,
Twin Cities,
10 Apr. 2026
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Parker, with the bank’s fraud department, asked Schroeder about several legitimate transactions and one illegitimate one.—
Justin Wingerter,
Denver Post,
6 Apr. 2026
Adjective
-
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 19 Apr. 2026.
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