Synonyms: stupefied, thunderstruck, dumbfounded, dumbstricken, dumbstruck, dumfounded, flabbergasted
Definition: as if struck dumb with astonishment and surprise
Usage: 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
Similar words: surprised
Definition: taken unawares or suddenly and feeling wonder or astonishment
Usage: surprised by her student's ingenuity; surprised that he remembered my name; a surprised expression