Related Clues:

• Sorry trail's end has been lost, backtracking
• Apologetic utterance
• Cry after a trip
• Unwelcome word from a barber
• Comment before 'I missed that'
• Word inevitably used in a stereotypical Canadian impersonation
• "A thousand pardons"
• Word after a drop
• 'It slipped!'
• Surveyor's finding
• 'Beg pardon!'
• Apologetic cry
• 'Didn't intend for that!'
• "I goofed!"
• Penitent; regrettable