Related Clues:

• "Nope"
• "Forget about it!"
• Flat turndown
• "In your dreams!"
• 'Don't think so!'
• Opposite of 15-Across
• "No way!"
• "Don't think so"
• 'Unh-unh'
• "I don't think so!"
• No, informally
• 'I'd rather not'
• 'Ixnay'
• Opposite of 'yeah'
• 'Forget about it!'