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90s Slang You Should Know


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. 2017.
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Examples from the Web for dumbfounded
Contemporary Examples
Historical Examples
  • I was dumbfounded at this extraordinary command and felt that I was placed in an extremely awkward position.

    Born Again Alfred Lawson
  • At the sight of the cat he was so dumbfounded that his reason wavered for a moment.

    The Story of a Cat mile Gigault de La Bdollire
  • He had drawn me upon his knee; I sat there silent, flushing and dumbfounded.

  • Nor was it the mere sight of this lumber that dumbfounded me.

    The Riddle of the Sands Erskine Childers
  • Over their dumbfounded heads he heard young Ryder's mocking laugh.

    The Fortieth Door Mary Hastings Bradley
British Dictionary definitions for dumbfounded


(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 dumbfounded

past participle adjective from dumbfound.



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

Online Etymology Dictionary, © 2010 Douglas Harper
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