preposterous

adjective
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

Synonyms

absurd, bizarre, crazy, fanciful, fantastic (also fantastical), foolish, insane, nonsensical, unreal, wild

Antonyms

realistic, reasonable

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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

Frankly, some of the products seem a bit preposterous. Jessica Matlin, Harper's BAZAAR, "The New High Society," 18 Apr. 2019 Here are the five most preposterous moments in The Rock’s new action vehicle. Brian Truitt, USA TODAY, "'Skyscraper': 5 totally preposterous moments where Dwayne Johnson has to save the day," 11 July 2018 If Fultz ultimately represents Colangelo’s biggest basketball goof here – surpassing the preposterous contract awarded Robert Covington – then those left behind can rectify it without suffering the blowback themselves. Bob Ford, Philly.com, "Do the Sixers need to draft a replacement for Markelle Fultz? | Bob Ford," 20 June 2018 Fun, refreshing and faintly preposterous: Here’s a story to inspire audacious 4- to 9-year-olds. Meghan Cox Gurdon, WSJ, "Children’s Books: Tales of Bravery and Brilliance," 8 Nov. 2018 The idea that the U.S. could ever again become the world's top oil producer once seemed preposterous. David Koenig, chicagotribune.com, "U.S. soon to surpass Saudis, Russia as top oil producer," 11 July 2018 The original scam seems too preposterous to have worked. Aaron Gilbreath, Longreads, "Forced to Perform As Aretha Franklin," 2 July 2018 Maybe a lot of people find this allegation preposterous. Fox News, "Brit Hume on fallout from Kavanaugh hearing; Alan Dershowitz on Rachel Mitchell's performance," 28 Sep. 2018 Television and movies repeatedly offer the message that having your parents involved in the choice of your partner is preposterous and backwards. Huda Al-marashi, SELF, "7 Things I Wish More People Understood About My Arranged Marriage," 1 Nov. 2018

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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Statistics for preposterous

Last Updated

23 May 2019

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Time Traveler for preposterous

The first known use of preposterous was in 1533

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More Definitions for preposterous

preposterous

adjective

English Language Learners Definition of preposterous

: very foolish or silly

preposterous

adjective
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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Comments on preposterous

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