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See more synonyms for umpteen on Thesaurus.com
adjective Informal.
  1. innumerable; many.
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Also ump·steen [uhmp-steen] /ˈʌmpˈstin/, um·teen.

Origin of umpteen

1915–20; ump(ty), fanciful designation for an indeterminate number (with -ty as in twenty, etc.) + -teen
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

considerable, countless, infinite, innumerable, many, numerous, millions, umteen, zillion

Examples from the Web for umpteen

Contemporary Examples

Historical Examples

  • Well, about ten minutes afterwards most of us were taken with umpteen fits.

  • Zeligs of umpteen disguises and ever changing, shimmering loyalties.

    After the Rain

    Sam Vaknin

  • We've had umpteen extra drills and parades and kit inspections.

    Combed Out

    Fritz August Voigt

  • There's a 'ell of a stunt on—there'll be umpteen slabs for the mortuary.

    Combed Out

    Fritz August Voigt

  • And at that it's five o'clock before I'm landed at a little flag station umpteen miles beyond nowhere.


    Sewell Ford

British Dictionary definitions for umpteen


  1. informal
    1. very manyumpteen things to do
    2. (as pronoun)umpteen of them came
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Derived Formsumpteenth, noun, adjective

Word Origin

C20: from umpty a great deal (perhaps from -enty as in twenty) + -teen ten
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 umpteen

1917, World War I army slang, from umpty + teen. Related: Umpteenth.

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Online Etymology Dictionary, © 2010 Douglas Harper