in fear or dread of possible evil or harm; "apprehensive for one's life"; "apprehensive of danger"
mentally upset over possible misfortune or danger etc; "apprehensive about her job"; "not used to a city and worried about small things"; "felt apprehensive about the consequences"
quick to understand; "a kind and apprehensive friend"- Nathaniel Hawthorne
to move in a twisting or contorted motion, (especially when struggling); "The prisoner writhed in discomfort"; "The child tried to wriggle free from his aunt's embrace"