afraid filled with fear or apprehension; "afraid even to turn his head"; "suddenly looked afraid"; "afraid for his life"; "afraid of snakes"; "afraid to ask questions"
fearless,
unafraid oblivious of dangers or perils or calmly resolute in facing them
stage fright fear that affects a person about to face an audience
apprehensiveness,
dread,
apprehension the act of apprehending (especially apprehending a criminal); "the policeman on the beat got credit for the collar"