1. overcome with consternation; confounded; astounded: He was thunderstruck by the news of his promotion.
2. Archaic. struck by a thunderbolt.
Also, thunderstricken [thuhn-der-strik-uh n]
See more synonyms on Thesaurus.com
1. dumbfounded, flabbergasted, overcome.
Origin: 1605-15; thunder + struck
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