Open English Wordnet
Adjectives
(s)frightened, scaredmade afraid“the frightened child cowered in the corner”, “too shocked and scared to move”
(s)panicky, panicked, panic-stricken, panic-struck, terrified, frightenedthrown into a state of intense fear or desperation“became panicky as the snow deepened”, “felt panicked before each exam”, “trying to keep back the panic-stricken crowd”, “the terrified horse bolted”