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See more synonyms for jackass on Thesaurus.com
  1. a male donkey.
  2. a contemptibly foolish or stupid person; dolt; blockhead; ass.
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Origin of jackass

First recorded in 1720–30; jack1 + ass1
Related formsjack·ass·er·y, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for jackass

blockhead, dolt, donkey, burro, jack, fool, bonehead, dunce, nitwit, bastard, prick, ass, asshole, neddy, halfwit, idiot, jerk, prig, schmuck, clod

Examples from the Web for jackass

Contemporary Examples of jackass

Historical Examples of jackass

British Dictionary definitions for jackass


  1. a male donkey
  2. a stupid person; fool
  3. laughing jackass another name for kookaburra
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Word Origin for jackass

C18: from jack 1 (male) + 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 jackass


mule ass, 1727, from jack (n.) + ass (n.1). Meaning "stupid person" is attested from 1823.

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Online Etymology Dictionary, © 2010 Douglas Harper