What does the word apprehensive mean?

Usage examples for apprehensive

  1. Bart relaxed against the cushions, but he still felt apprehensive. – The Colors of Space by Marion Zimmer Bradley
  2. Now that the children were no longer children, they were sometimes lonely and still apprehensive. – The Breaking Point by Mary Roberts Rinehart
  3. She set off to her work early in the morning, nervous and apprehensive. – The End of the Rainbow by Marian Keith