Related Clues:

• Unassuming
• Not likely to pose nude
• Not a people person
• Coy
• Introverted
• Like shrinking violets
• Shamed
• Mortified
• Skittish
• Hardly gregarious
• Hangdog
• Unlikely to raise one's hand in class
• A little short, as of money
• Wallflowery
• Reclusive