Meaning & use

fallacy

noun·Academic

Last updated

A mistaken belief, especially one based on unsound reasoning.

See it in a sentence

It's a common fallacy that cracking your knuckles causes arthritis.

The debate coach pointed out the fallacy in his opponent's argument.

A note on using this word

In logic and rhetoric, a 'fallacy' specifically refers to a flaw in reasoning (like a false cause or straw man), distinct from simply being factually wrong.

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