verb (used with object)
to make speechless with amazement; astonish.
Also dumb·found·er, dum·found·er.
Origin of dumbfound
Synonyms for dumbfound
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for dumbfoundbewilder, stun, nonplus, boggle, confound, amaze, startle, astonish, flabbergast, puzzle, overwhelm, surprise, stagger, throw
Examples from the Web for dumbfound
Historical Examples of dumbfound
(tr) to strike dumb with astonishment; amaze
Word Origin for dumbfound
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
Online Etymology Dictionary, © 2010 Douglas Harper