1. dumbfounded, dumbstricken, dumbstruck, dumfounded, flabbergasted, stupefied, thunderstruck

as if struck dumb with astonishment and surprise

Example Sentences:
'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'

Synonyms

• dumbfounded
• dumbstricken
• dumbstruck
• dumfounded
• flabbergasted
• thunderstruck

2. dazed, stunned, stupefied, stupid

in a state of mental numbness especially as resulting from shock

Example Sentences:
'he had a dazed expression on his face'
'lay semiconscious, stunned (or stupefied) by the blow'
'was stupid from fatigue'

Synonyms

• dazed
• stunned
• stupid