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or dumfound

[duhm-found, duhm-found] /dʌmˈfaʊnd, ˈdʌmˌfaʊnd/
verb (used with object)
to make speechless with amazement; astonish.
Also, dumbfounder, dumfounder.
Origin of dumbfound
First recorded in 1645-55; dumb + (con)found
Related forms
dumbfounderment, dumfounderment, noun
amaze, confound, astound, stagger. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for dumfounded
Historical Examples
  • "You can see for yourself," he said grimly to the dumfounded magnate.

    Within the Law Marvin Dana
  • Captain Price was so dumfounded that for a moment words failed him.

    An Encore Margaret Deland
  • When that happened, the shock of it brought him abruptly to a dumfounded halt.

    Scaramouche Rafael Sabatini
  • Frederick Augustus was so dumfounded, he could only grind his teeth.

  • All this took place so rapidly that the chevalier was dumfounded.

  • Why, you could have knocked me down with the kick of a gopher I was so dumfounded!

    Warrior Gap Charles King
  • Pontiac is dumfounded and departs without giving the signal.

  • The testimony of this witness, so different from what they had expected, had dumfounded them.

    The Cave of Gold

    Everett McNeil
  • The poor creature was dumfounded; she had not foreseen the difficulty.

    The Gods are Athirst Anatole France
  • dumfounded for the moment, he did not see how he could take it.

    The Man from the Bitter Roots

    Caroline Lockhart
British Dictionary definitions for dumfounded


(transitive) to strike dumb with astonishment; amaze
Word Origin
C17: from dumb + (con)found
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
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Word Origin and History for dumfounded



1650s, from dumb (adj.) + ending from confound.

Online Etymology Dictionary, © 2010 Douglas Harper
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