Related Clues:

• "I don't think so!"
• No, informally
• 'Ixnay'
• Formal turndown
• "Uh-uh!"
• Relaxed rejection
• 'Not a chance'
• Army retort
• Colloquial denial
• No, slangily
• ''I don't think so!''
• 'Yup' opposite
• 'Ain't gonna happen'
• Official denial
• 'Forget about it'