/thun"deuhr struyk'/ , v.t. thunderstruck /-struk'/ , thunderstruck or thunderstricken /-strik'euhn/ , thunderstriking .
1. Archaic. to strike with a thunderbolt.
2. to astonish; dumfound.
[ 1605-15; prob. back formation from earlier thunderstricken (adj.); see THUNDER, STRIKE ]