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Word of the Day Tuesday, June 9, 2026

preposterous

/prɪˈpɒstrəs/ adjective · British & US
Valid in UKValid in US
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What does preposterous mean?

adjective

Excessively foolish or unreasonable; absurd. Often used to express strong disapproval or ridicule.

Example

"The idea of skydiving without a parachute is preposterous."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for preposterous

Antonyms of preposterous

Rhymes with preposterous

Etymologically related