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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

That would be a fallacy, but Mr. Bottum didn’t commit it.

From The Wall Street Journal • Nov. 13, 2025

And as long as we believe in this fallacy of separation, that’s going to continue.”

From Los Angeles Times • Aug. 4, 2025

"We know lots of children struggle. The idea that the school years are the best years of your life is a fallacy."

From BBC • May 3, 2025

But the notion that climbers are merely adrenaline junkies chasing a righteous fix is a fallacy, at least in the case of Everest.

From "Into Thin Air" by Jon Krakauer