Related Clues:

• Coy
• Like a sheep
• Introverted
• Wracked with guilt
• Like shrinking violets
• Feeling guilt or remorse
• Sheep-ish?
• Like Little Bo-Peep's charges
• Shamed
• Mortified
• Skittish
• Hardly gregarious
• Hangdog
• Unlikely to raise one's hand in class
• A little short, as of money