The powerful speech stupefied the crowd into silence.
stupefy with fear
Frequency:
50
%
The horror movie stupefied the children with fear.
stupefy by the news
Frequency:
45
%
She was stupefied by the news of her promotion.
Idiomatic Expressions for stupefy
Phrase: dumbfounded by the news
Meaning: to be so surprised or shocked that one is rendered speechless
Usage: She was dumbfounded by the news that her long-lost brother had been found.