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See more synonyms for bumptious on Thesaurus.com
  1. offensively self-assertive: a bumptious young upstart.
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Origin of bumptious

First recorded in 1795–1805; bump + (frac)tious
Related formsbump·tious·ly, adverbbump·tious·ness, nouno·ver·bump·tious, adjectiveo·ver·bump·tious·ly, adverbo·ver·bump·tious·ness, nounun·bump·tious, adjectiveun·bump·tious·ly, adverbun·bump·tious·ness, noun


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

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Examples from the Web for bumptious

Historical Examples

  • Bumptious little man, and yet—and yet there's something in him.

    The Money Master, Complete

    Gilbert Parker

  • The court was thrown into amazement, and even Bumptious quailed before the fist of the mighty Jorrocks.

    Jorrocks' Jaunts and Jollities

    Robert Smith Surtees

British Dictionary definitions for bumptious


  1. offensively self-assertive or conceited
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Derived Formsbumptiously, adverbbumptiousness, noun

Word Origin

C19: perhaps a blend of bump + fractious
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 bumptious


"assertive," 1803, probably a humorous coinage from bump on the pattern of fractious, etc. Related: Bumptiously; bumptiousness.

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Online Etymology Dictionary, © 2010 Douglas Harper