Related Clues:

• One wishing for a real-life "undo" button?
• Person with regrets
• One who has regrets
• One who regrets
• One with misgivings
• Repenter
• Very regretful one
• One who'd like to forget, maybe
• One who is sorry and regretful
• One with second thoughts
• He's sorry
• Remorseful person
• Regretful soul