2 definitions found for dumfounded

dumfounded adj 1: as if struck dumb with astonishment and surprise; "a circle of policement stood dumbfounded by her denial of having seen the accident"; "the flabbergasted aldermen were speechless"; "was thunderstruck by the news of his promotion" [syn: dumbfounded, dumfounded, flabbergasted, stupefied, thunderstruck, dumbstruck, dumbstricken]

Dumfound Dum"found`, v. t. [imp. & p. p. Dumfounded; p. pr. & vb. n. Dumfounding.] To strike dumb; to confuse with astonishment. [Written also dumbfound.] --Spectator.