pre·​pos·​ter·​ous | \ pri-ˈpä-st(ə-)rəs How to pronounce preposterous (audio) \

Definition of preposterous

: contrary to nature, reason, or common sense : absurd

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Other Words from preposterous

preposterously adverb
preposterousness noun

Synonyms & Antonyms for preposterous



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Examples of preposterous in a Sentence

The whole idea is preposterous! the idea that extraterrestrials built the pyramids is preposterous
Recent Examples on the Web Three years ago, that idea might have seemed preposterous. Nancy Armour, USA TODAY, "Opinion: Porter Moser has Loyola-Chicago busting brackets again, but this time it's no surprise," 21 Mar. 2021 The idea of bears roaming the suburbs of Houston seems preposterous. Matt Wyatt, San Antonio Express-News, "First rehabbed Texas black bears released at Devils River State Natural Area," 11 Mar. 2021 Trump’s supporters denounced the Atlantic story as preposterous and offensive, even as outlet after outlet confirmed the reporting. WSJ, "Notable & Quotable: The Thrill of Covering Trump," 15 Feb. 2021 These lawmakers' denials of basic scientific facts range from delicate expressions of doubt to preposterous claims of conspiracy. Paul Douglas, Star Tribune, "Weekend Snowfall Potential Increases with 3-5" and Icy Roads," 20 Jan. 2021 And by lavishing attention on puzzling and preposterous objects, a community can develop a set of references that amount to in-group code. Spencer Kornhaber, The Atlantic, "Donald Trump’s Reelection Campaign Is Total Camp," 30 Oct. 2020 The premise has potential, and yields some clever twists that don’t include Marla’s clumsy and preposterous transformation into an action heroine, or the script’s transformation into a sendup of predatory capitalism. Joe Morgenstern, WSJ, "‘I Care a Lot’ Review: Guardian as Grifter," 18 Feb. 2021 The Sunday spectacular has been fed a steady and fatty diet of preposterous claims and Grecian idolatry by both networks almost to the point of digestive revolt. Jerry Nason,, "Super Bowl I arrived with a splash back in 1967," 17 Jan. 2021 Desperate people do irrational things like give Malzahn a preposterous buyout, or, worse, fire Malzahn only to offer someone like Lane Kiffin an equally absurd contract. Joseph Goodman |, al, "Auburn football looks desperate in search for coach," 22 Dec. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'preposterous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of preposterous

1533, in the meaning defined above

History and Etymology for preposterous

Latin praeposterus, literally, in the wrong order, from prae- + posterus hinder, following — more at posterior

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Time Traveler for preposterous

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The first known use of preposterous was in 1533

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Statistics for preposterous

Last Updated

27 Apr 2021

Cite this Entry

“Preposterous.” Dictionary, Merriam-Webster, Accessed 7 May. 2021.

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More Definitions for preposterous



English Language Learners Definition of preposterous

: very foolish or silly


pre·​pos·​ter·​ous | \ pri-ˈpä-stə-rəs How to pronounce preposterous (audio) \

Kids Definition of preposterous

: making little or no sense : foolish a preposterous excuse

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