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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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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as in deception
the quality or state of being false
the fallaciousness of that argument will be apparent as soon as we examine it
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Example Sentences
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Recent Examples of fallacious
Peter Suciu, Forbes, 23 Dec. 2024
But hard evidence in both our nation’s history and our present shows that this reasoning is fallacious.
—Ana Raquel Minian, TIME, 30 May 2024
And why not seek the truth, to give order and organization to a chaotic and fallacious narrative and investigative material?
—Boris Sollazzo, The Hollywood Reporter, 28 Feb. 2024
This is such a fallacious argument and its presentation as acceptable is abhorrent to our standards of morality.
—Letters To The Editor, The Mercury News, 24 Jan. 2024
See All Example Sentences for fallacious
Adjective
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
But hard evidence in both our nation’s history and our present shows that this reasoning is fallacious.
—Ana Raquel Minian, TIME, 30 May 2024
And why not seek the truth, to give order and organization to a chaotic and fallacious narrative and investigative material?
—Boris Sollazzo, The Hollywood Reporter, 28 Feb. 2024
This is such a fallacious argument and its presentation as acceptable is abhorrent to our standards of morality.
—Letters To The Editor, The Mercury News, 24 Jan. 2024
See All Example Sentences for fallacious
Recent Examples of Synonyms for fallacious
Adjective
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Courts will not second-guess the safety measures employers adopt, even when those measures infringe on an employee’s privacy, unless the measures are unreasonable under the circumstances.—
Dan Eaton,
San Diego Union-Tribune,
21 Apr. 2025
-
Companies need to assess their higher costs, and then negotiate with the state regulators who try to protect ratepayers from unreasonable hikes.—
Camila Domonoske,
NPR,
18 Apr. 2025
Noun
-
The Erosion Of Trust Through Inconsistent Words Many people associate the breakdown of trust with major betrayals like infidelity or deception.—
Mark Travers,
Forbes.com,
26 Apr. 2025
-
Warrantless search and seizure, deception, untrammeled use of force.—
Reader Commentary,
Baltimore Sun,
25 Apr. 2025
Adjective
-
And then there’s the emotional, irrational lift of gilt and glory, the baroque architecture, the Renaissance art, the history stretching back to Jesus and Saint Peter.—
Howard Chua-Eoan,
Mercury News,
22 Apr. 2025
-
But here’s something important to consider: while the ick might seem like a spontaneous, irrational response, this might not always be the case.—
Mark Travers,
Forbes.com,
22 Apr. 2025
Adjective
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Without resources or expertise to vet influencers properly, these companies become vulnerable to deceptive practices.—
Matthew Kayser,
USA Today,
27 Apr. 2025
-
In 2022, the California DMV sued Tesla, saying the company engaged in deceptive marketing and advertising practices around its Autopilot and Full Self-Driving systems.—
Lora Kolodny,
CNBC,
25 Apr. 2025
Noun
-
The whole debate is so fundamentally backwards and upside down, it's based on a fallacy.—
Raja Krishnamoorthi,
MSNBC Newsweek,
9 Apr. 2025
-
Its villains are cardboard cutouts, its heroes are unappealing and each scene is laced with logical fallacies.—
Kelly Lawler,
USA TODAY,
20 Feb. 2025
Adjective
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Last year’s 17-9 start proved to be a false spring, one that lulled fans into thinking Craig Counsell replacing David Ross was the real difference between an 83-win Cubs team and the postseason.—
Paul Sullivan,
Chicago Tribune,
25 Apr. 2025
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Reemerging as a cult figure with cameo roles in films and TV shows, a Broadway revival of his Pee-wee stage show, and a final Pee-wee film, Reubens refuses to have his legacy be defined by media scandals based on false rumors.—
Tony Maglio,
HollywoodReporter,
23 Apr. 2025
Adjective
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In January 2024, the work was sold to Geffen, seemingly on Sun’s behalf — Sun now says the sale was illegitimate.—
Rachel Corbett,
Vulture,
16 Apr. 2025
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They get snared into helping their private investigator friend Moby (Hung) track down kidnappers intent on capturing a young woman named Sylvia (Lola Forner), who turns out to be the illegitimate daughter of a Spanish count.—
ArsTechnica,
ArsTechnica,
7 Apr. 2025
Noun
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Researchers noted the positive effects of ecstatic epilepsy and synthesized fifty-three theoretical models of delusion.—
Rafil Kroll-Zaidi,
Harpers Magazine,
17 Apr. 2025
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Some might suggest that these delusions of grandeur are designed to tranquilize the nervous masses; regardless, the public obviously craves them.—
Lauren Stienstra,
Time,
17 Apr. 2025
Cite this Entry
“Fallacious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fallacious. Accessed 4 May. 2025.
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