Related Clues:

• Polite turndown
• 'Fat chance'
• Recruit's denial
• "I don't think so"
• Curt turndown
• Private's refusal
• Private reply
• Military response, sometimes
• G.I.'s reply
• 'Don't think so!'
• Opposite of 15-Across
• Polite answer
• "Don't think so"
• Polite denial
• 'Unh-unh'