Related Clues:

• Reluctant to mingle
• Wary of people
• Spotlight-avoiding
• Socially self-conscious
• Averse to conversing
• Short, in a way
• Hardly forward
• Inclined to avoid the spotlight
• Easily scared
• Averse to first moves
• Short at the poker table
• Conscience-stricken
• Wallflower-ish
• Slow to mix, say
• Not likely to make the first move