Related Clues:

• Keep quiet with yen to be diffident
• Reserved in public
• Not very outgoing
• Unlikely to pipe up
• Owing the pot
• A long way from outgoing
• Socially reserved
• Like bills in arrears
• Throw; reserved
• Opposite of outgoing
• Socially withdrawn
• Relatively timid
• One visiting a French apartment, due
• Like toddlers when meeting strangers, often
• Amateur or volunteer is thus