(as if struck dumb with astonishment and surprise
"a circle of policemen stood dumbfounded by her denial of having seen the accident"
"the flabbergasted aldermen were speechless"
"was thunderstruck by the news of his promotion")
dumbfounded, dumfounded, flabbergasted, stupefied, thunderstruck, dumbstruck, dumbstricken
synonim: osłupiały
synonim: zbaraniały