Related Clues:

• Relative of 55-Across
• Woeful word
• Word of resignation
• Cry of despair
• Wistful word
• 'Whatever will I do?'
• 'Oops!'
• Cry for what might have been
• 'For goodness sake!'
• 'Here comes trouble!'
• Word said with a tear
• 'Yipes!'
• 'Oh, were it not true!'
• Unsettling comment from a pilot
• Word of regret