dumbfound

or dum·found

[duhm-found, duhm-found]

See more synonyms for dumbfound on Thesaurus.com

verb (used with object)

to make speechless with amazement; astonish.

Also dumb·found·er, dum·found·er.

Origin of dumbfound

First recorded in 1645–55; dumb + (con)found

Related formsdumb·found·er·ment, dum·found·er·ment, noun

Synonyms for dumbfound

See more synonyms for on Thesaurus.com

amaze, confound, astound, stagger.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for dumbfound

bewilder, stun, nonplus, boggle, confound, amaze, startle, astonish, flabbergast, puzzle, overwhelm, surprise, stagger, throw

Examples from the Web for dumbfound

Historical Examples of dumbfound

Dumbfound, to perplex, to beat soundly till not able to speak.
The Slang Dictionary
John Camden Hotten
He can show such familiarity with the Incas affairs as to dumbfound the old boy.
The Radio Boys' Search for the Inca's Treasure
Gerald Breckenridge

British Dictionary definitions for dumbfound

dumbfound

dumfound

verb

(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

Word Origin and History for dumbfound

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