Related Clues:

• Opposite of gregarious
• Not much for mixing
• Standoffish
• Not good at schmoozing
• Hardly the life of the party
• Withdrawn
• Unfriendly
• Hardly gregarious
• Reclusive
• Inclined to be a loner
• Not at all gregarious
• Awkward at parties, say
• Not gregarious
• Like a loner
• Withdrawing from others