See more synonyms for asinine on
  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.

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. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for asininity

Historical Examples of asininity

  • Still, he could not comprehend how they had had the asininity to "decline" it at all.

    A Black Adonis

    Linn Boyd Porter

  • Nature has kindly preordained that there shall be no bar in the intimate relations of humanity and asininity.

  • These receptions are stupefying in their asininity, but they come to pass in most consulates, and those at Tunis are no exception.

  • The man sinks; the animal soars—thrusting his jaw out sidewise in a satisfied yawn, secure in the serenity of his asininity.

British Dictionary definitions for asininity


  1. obstinate or stupid
  2. resembling an ass
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 asininity



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.

Online Etymology Dictionary, © 2010 Douglas Harper