completely taken aback; amazed or shocked struck by lightning
WordReference Random House Learner's Dictionary of American English © 2025
thun•der•struck /ˈθʌndɚˌstrʌk/USA pronunciation also thun•der•strick•en /ˈθʌndɚˌstrɪkən/USA pronunciation
adj.
WordReference Random House Unabridged Dictionary of American English © 2025- so amazed that one cannot say anything:thunderstruck at the news of her death.
thun•der•struck
(thun′dər struk′),USA pronunciation adj.
- overcome with consternation; confounded;
astounded:He was thunderstruck by the news of his promotion. - [Archaic.]struck by a thunderbolt.
- thunder + struck 1605–15
- 1.See corresponding entry in Unabridged . dumbfounded, flabbergasted, overcome.
Collins Concise English Dictionary © HarperCollins Publishers::
'thunderstruck' also found in these entries (note: many are not synonyms or translations):