Related Clues:

• Informal negative
• Terse turndown
• 'On the contrary!'
• Unfounded
• ''Sorry''
• "Ixnay!"
• ''Over my dead body!''
• 'Ain't gonna happen!'
• Casual negative
• ''Don't think so''
• ''Forget about it''
• ''I beg to differ . . .''
• Defensive retort
• 'Don't you believe it!'
• "Huh-uh"