Related Clues:

• Skittish
• Hardly gregarious
• Unlikely to raise one's hand in class
• Get startled
• A little short, as of money
• Go for a rebound
• Wallflowery
• Leap
• Self-conscious
• Reclusive
• Not forward
• Not open
• Far from a drama queen
• Not quite enough
• Parachutist's act