Related Clues:

• Uncommunicative, not extrovert
• Habitually uncommunicative, saying little
• Lacking self-confidence, timid
• 'Lacking self-confidence, timid (3)'
• 'Timid, diffident (3)'
• Saying little
• Nervous or timid in company
• Embarrassed in company
• Shrinking from notice
• What one may have when one 4 down
• The sort of lock one might throw for the Merchant
• Bad-tempered pussy will turn up before I turn down
• One might be reluctant to throw up like this
• It might make one blush to be throwing up like this
• One might throw this, but not forward