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See more synonyms for asinine on Thesaurus.com
  1. foolish, unintelligent, or silly; stupid: It is surprising that supposedly intelligent people can make such asinine statements.
  2. of or like an ass: asinine obstinacy; asinine features.
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Origin of asinine

1600–10; < Latin asinīnus, equivalent to asin(us) ass1 + -īnus -ine1
Related formsas·i·nine·ly, adverbas·i·nin·i·ty [as-uh-nin-i-tee] /ˌæs əˈnɪn ɪ ti/, noun

Synonyms for asinine

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1. See foolish.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for asinine

absurd, daft, foolish, half-witted, idiotic, inane, moronic, silly, sophomoric, stupid, cretinous

Examples from the Web for asinine

Contemporary Examples of asinine

Historical Examples of asinine

British Dictionary definitions for asinine


  1. obstinate or stupid
  2. resembling an ass
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Derived Formsasininely, adverbasininity (ˌæsɪˈnɪnɪtɪ), noun

Word Origin for asinine

C16: from Latin asinīnus, from asinus ass 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for asinine


c.1600, "obstinate, stupid," from Latin asininus "stupid," literally "like an ass," from asinus "ass," also "dolt, blockhead" (see ass (n.1)). The literal sense in English is recorded from 1620s.

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Online Etymology Dictionary, © 2010 Douglas Harper