thunderstricken

verb (used with object), thun·der·struck [thuhn-der-struhk] /ˈθʌn dərˌstrʌk/, thun·der·struck or thun·der·strick·en [thuhn-der-strik-uh n] /ˈθʌn dərˌstrɪk ən/, thun·der·strik·ing.

1. Archaic. to strike with a thunderbolt.
2. to astonish; dumfound.

adjective

1. overcome with consternation; confounded; astounded: He was thunderstruck by the news of his promotion.
2. Archaic. struck by a thunderbolt.

adjective

1. completely taken aback; amazed or shocked
2. rare struck by lightning

adj.1610s, from thunder (n.) + past tense of strike. Originally figurative; the literal sense always has been rare.