Definition of apprehensive :
1. Anticipative of something unfavorable' fearful of what may be coming; in dread of possible harm; in expectation of evil.
2. Capable of apprehending, or quick to do so; apt; discerning.
3. Knowing; conscious; cognizant.
4. Relating to the faculty of apprehension.
5. Sensible; feeling; perceptive.
fearful (part of speech: adjective)
frightened (part of speech: adjective)
frightened, petrified, terror-stricken, scared stiff, unnerved, fearful, chicken-livered, lily-livered, terrified, afraid, timid, horrified, paralyzed, harrowed, alarmed, rattled, cowardly, startled, jittery, fainthearted, intimidated, weak-kneed, anxious, agitated, scared
- He had been a little apprehensive that they would try to detain him on suspicion, which would have been awkward, since they had numbers on their side, and all were armed. - "Do and Dare A Brave Boy's Fight for Fortune", Horatio Alger, Jr..
- He was not even apprehensive and those who were observing him closely wondered at the sudden change that had come over him. - "The Bishop and the Boogerman", Joel Chandler Harris.
- Olva, watching him, was apprehensive- the devotion of a fool is the most dangerous thing in creation. - "The Prelude to Adventure", Hugh Walpole.