1
as in delusion
a false idea or belief
the once-common fallacy that girls just weren't any good at math
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in deception
the quality or state of being false
the fallacy of the notion of spontaneous generation was demonstrated by the Dutch naturalist Leeuwenhoek
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of fallacy
To learn more about the facts behind his fallacies, here’s a list of 100 separate false claims Trump has made since his inauguration.
—
Jade Walker, CNN Money, 30 Apr. 2025
Paroma Chatterjee, the country’s chief executive of Revolut, an online banking company that started in Britain, said that Covid had showed the fallacy of tethering a job to a place.
—Alex Travelli, New York Times, 26 Mar. 2025
The Biden Administration's contrary position depended on the obvious fallacy that providing testosterone to treat a boy's endocrine disorder is the 'same treatment' as using the drug to disrupt the normal physical development of an adolescent girl suffering from psychological distress.
—Nick Mordowanec
barney Henderson, MSNBC Newsweek, 18 June 2025
It was assumed that what was lost at the federal level would be gained at the state level, that appears to be a fallacy.
—Jon McGowan, Forbes.com, 12 June 2025
See All Example Sentences for fallacy
Jade Walker, CNN Money, 30 Apr. 2025
Paroma Chatterjee, the country’s chief executive of Revolut, an online banking company that started in Britain, said that Covid had showed the fallacy of tethering a job to a place.
—Alex Travelli, New York Times, 26 Mar. 2025
The Biden Administration's contrary position depended on the obvious fallacy that providing testosterone to treat a boy's endocrine disorder is the 'same treatment' as using the drug to disrupt the normal physical development of an adolescent girl suffering from psychological distress.
—Nick Mordowanec
barney Henderson, MSNBC Newsweek, 18 June 2025
It was assumed that what was lost at the federal level would be gained at the state level, that appears to be a fallacy.
—Jon McGowan, Forbes.com, 12 June 2025
See All Example Sentences for fallacy
Recent Examples of Synonyms for fallacy
Noun
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At his trial, Fish's children described a chaotic home life marked by erratic behavior, religious delusions and violence.—
Christina Coulter,
People.com,
12 July 2025
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The private and personalized nature of AI use makes its mental health impact difficult to track, but the evidence of potential harms is mounting, from professional apathy to attachments to new forms of delusion.—
Parmy Olson,
Mercury News,
12 July 2025
Noun
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This deception couldn’t come at a worse time for America’s debt.—
Thomas Kahn,
Chicago Tribune,
8 July 2025
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Unlike earlier studies that uncovered evasion or deception, this research exposed a more alarming phenomenon: models calculating that unethical behavior was a justifiable strategy for survival.—
Hamilton Mann,
Forbes.com,
29 June 2025
Noun
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In my own writing, the process of myth making fascinates me.—
Irenosen Okojie
July 11,
Literary Hub,
11 July 2025
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Reason 2: The Obsession with Control The second myth plaguing modern business is the assumption that complex systems can be controlled through tighter management processes.—
Tima Bansal,
Forbes.com,
11 July 2025
Noun
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High-profile cases have shown that spreadsheet errors can cost companies millions.—
Aleksandra Bal,
Forbes.com,
13 July 2025
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Unforced error after unforced error plagued the team.—
Emma Moon,
Charlotte Observer,
13 July 2025
Noun
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The illusion is caused by the moon being seen close to the horizon, where trees and buildings give the human brain context.—
Jamie Carter,
Forbes.com,
11 July 2025
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Call it pixie dust, projection, illusion, artifice — who really cares?—
Teri Sforza,
Oc Register,
11 July 2025
Noun
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One of the company's meteorologists, Jonathan Belles, debunked some of the most common falsehoods surrounding severe storms, recommending tips on how to best prepare for them.—
Katie Wiseman,
The Courier-Journal,
2 July 2025
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The fact that the development and rollout follow Trump's falsehoods about widespread noncitizen voting makes election experts wary of how this new tool will work.—
Miles Parks,
NPR,
28 June 2025
Cite this Entry
“Fallacy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fallacy. Accessed 19 Jul. 2025.
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