fearful (part of speech: adjective)
frightened (part of speech: verb)
harrowed, alarmed, anxious, afraid, apprehensive, lily-livered, fearful, startled, fainthearted, frightened, scared stiff, intimidated, rattled, paralyzed, terror-stricken, chicken-livered, set on edge, scared, panicked, timid, jittery, haunted, petrified, disturbed, cowardly, weak-kneed, horrified, agitated, threatened, unnerved
- Who will suffer himself to be terrified at such a thing as that?" - "Weird Tales. Vol. I", E. T. A. Hoffmann.
- I had the maid before me again, this time more terrified than before. - "The Intriguers", William Le Queux.
- " You hadn't ought to talk so," said Fanny, weakly, she was so terrified. - "The Portion of Labor", Mary E. Wilkins Freeman.