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

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 The level of quarterback play required to get to the title game, or even make the semifinals, is preposterous. Shawn Windsor, Detroit Free Press, "For Michigan football to win national title, it must capture LSU's magic," 14 Jan. 2020 Even if the idea of stashing your phone away for a while seems preposterous, some people do keep spares around just in case. David Nield, WIRED, "How To Get the Most Out of Your Smartphone Battery," 25 Aug. 2019 The phenomenon seems preposterous because there’s nothing about our non-quantum-scale experience to suggest such a thing is possible. Quanta Magazine, "The Universe’s Ultimate Complexity Revealed by Simple Quantum Games," 5 Mar. 2019 There is a lesson here for those who promise massive new government programs such as Medicare-for-all, premised on unlikely or, as in the case of Berniecare, preposterous promises about their affordability. The Washington Post, Twin Cities, "Other voices: The fate of the Cadillac tax should be a wake-up call," 28 July 2019 The claims of potential earnings were preposterous, the FTC said. Washington Post, "Be careful. That multilevel marketing side hustle could be an illegal pyramid scheme.," 17 Oct. 2019 Two years ago, Collin Sexton and Alabama almost pulled off what would've been one of the most preposterous comebacks ever. Hayes Gardner, The Courier-Journal, "Morning Coffee: Everyone's running out of superlatives for Lamar Jackson," 26 Nov. 2019 Such possibilities may seem outlandish, but other things once considered preposterous (paying for airplane seat assignments, being charged resort fees for use of formerly included hotel amenities) now are routine. Scott Craven, azcentral, "Disneyland's 2020 price increase is just around the corner. Here's what to expect," 26 Nov. 2019 Because he has been permanently disassociated from USC — one of the ridiculous rulings within the NCAA’s preposterous decisions on the Bush/USC violations — the Trojans’ all-time great had to receive approval to work in the stadium. Jon Wilner, The Mercury News, "Hotline newsletter: Heat Index, Guerrero to step down, the Wilcox fit, Colorado’s ‘Miracle’ turns 25 and more," 20 Sep. 2019

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

Time Traveler

The first known use of preposterous was in 1533

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Statistics for preposterous

Last Updated

31 Jan 2020

Cite this Entry

“Preposterous.” Dictionary, Merriam-Webster, Accessed 29 Mar. 2020.

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More Definitions for preposterous


How to pronounce preposterous (audio)

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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