1.Definition: in fear or dread of possible evil or harm

"Apprehensive for one's life", "Apprehensive of danger"

2.Definition: mentally upset over possible misfortune or danger etc

"Apprehensive about her job", "Felt apprehensive about the consequences"

Related Adjective(s):worried

3.Definition: quick to understand

"A kind and apprehensive friend"

Related Adjective(s):discerning