What does apprehensive mean?
The definition of apprehensive
Ap`pre*hen”sive, a.
Etym: [Cf. F. appréhensif. See Apprehend.]

1 Capable of apprehending, or quick to do so; apt; discerning. It may be pardonable to imagine that a friend, a kind and apprehensive . . . friend, is listening to our talk. Hawthorne.
2 Knowing; conscious; cognizant. [R.] A man that has spent his younger years in vanity and folly, and is, by the grace of God, apprehensive of it. Jer. Taylor.
3 Relating to the faculty of apprehension. Judgment . . . is implied in every apprehensive act. Sir W. Hamilton.
4 Anticipative of something unfavorable’ fearful of what may be coming; in dread of possible harm; in expectation of evil. Not at all apprehensive of evils as a distance. Tillotson. Reformers . . . apprehensive for their lives. Gladstone.
5 Sensible; feeling; perceptive. [R.] Thoughts, my tormentors, armed with deadly stings, Mangle my apprehensive, tenderest parts. Milton.