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dumbfounded

 - 3 dictionary results

dumb⋅found

  [duhm-found, duhm-found]
Use dumbfounded in a Sentence
–verb (used with object)
to make speechless with amazement; astonish.
Also, dumb⋅found⋅er.

Origin:
1645–55; dumb + (con)found

Related forms:
dumb⋅found⋅er⋅ment, noun

Synonyms:
amaze, confound, astound, stagger.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To dumbfounded
dumb·found also dum·found   (dŭm'found')   
tr.v.   dumb·found·ed also dum·found·ed, dumb·found·ing also dum·found·ing, dumb·founds also dum·founds
To fill with astonishment and perplexity; confound. See Synonyms at surprise.

[dumb + (con)found.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

dumbfound 
1653, from dumb (q.v.) + (con)found.
Online Etymology Dictionary, © 2001 Douglas Harper
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