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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.

The sunk-cost fallacy tempts people to pay escalating premiums because they’ve paid for so long.

From MarketWatch • Nov. 15, 2025

“There’s this fallacy that companies were lowering the bar,” she says.

From The Wall Street Journal • Nov. 13, 2025

It was a "fallacy" and "misunderstanding of the world" if people did not "believe that the online space is as dangerous for people as the streets," he added.

From BBC • May 24, 2025

“It’s a complete fallacy and a red herring to suggest that, since the state of the emergency is over, the funding should end, too.”

From Los Angeles Times • Apr. 10, 2025

Asserting that De Soto’s visit caused the subsequent collapse of the Caddo and Coosa may be only the old logical fallacy of post hoc ergo propter hoc.

From "1491" by Charles C. Mann




Vocabulary lists containing fallacy