dumbfound

Dumbfound is defined as to amaze someone, or to make someone speechless because of shock.

(verb)

If you say something so smart no one can believe it came out of your mouth and everyone is amazed, this is an example of when you dumbfound them.

See dumbfound in Webster's New World College Dictionary

transitive verb

to make speechless by shocking; amaze; astonish

Origin: dumb + (con)found

See dumbfound in American Heritage Dictionary 4

also dum·found

transitive verb 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.

Origin:

Origin: dumb

Origin: + (con)found

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