Related Clues:

• When to return from lunch, maybe
• When the mouse ran down the clock
• Sorrow
• Fret over, maybe
• Pay for sins
• Have regret
• Observe Yom Kippur, e.g.
• Do penance
• Perform penance
• Pay the penalty
• Make up for
• Make up for, as sins
• Mourn
• When penitents convene?
• Send a note of apology