Related Clues:

• Like wallflowers
• Sudden start
• Not camera-ready?
• Frisky
• Indebted to the pot, in poker lingo
• Unlikely to break the ice
• Lacking self-confidence
• Not at all brave
• Hardly courageous
• Reluctant to mingle
• Wary of people
• adj. pert. to humorous vignettes
• Spotlight-avoiding
• Socially self-conscious
• Averse to conversing