Found 2 items, similar to Dumfounded.
English → English (WordNet) Definition: dumfounded dumfounded adj : 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, flabbergasted, stupefied, thunderstruck]
English → English (gcide) Definition: Dumfounded 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. [1913 Webster]