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Definitions

fallacy

[fal-uh-see] / ˈfæl ə si /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"This is the sunk cost fallacy," he said, adding that "it keeps the addictive behaviour loop".

From Barron's • May 31, 2026

If you’re thinking, “I won’t be able to get the money for my great business idea,” that is a psychological fallacy.

From MarketWatch • May 6, 2026

"I think the thing young founders get wrong is they view hours worked in and of itself as necessary and sufficient to think of themselves as productive. And that's where the fallacy lies", he explains.

From BBC • Feb. 8, 2026

“A major fallacy is assuming that policies that work in one country will automatically work in another,” Josh Michaud, the associate director of global health and public health policy at KFF, told Salon.

From Salon • Jan. 11, 2026

Fossils, for example, and whether their existence disproved the Book of Genesis; Brother Mendel’s experiments on the sexual reproduction of the sweet pea; the fallacy of laudable pus.

From "The Evolution of Calpurnia Tate" by Jacqueline Kelly




Vocabulary lists containing fallacy


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