Related Clues:

• 'Wrong!' on a playground
• 'Absolutely not'
• 'Wrong you are!'
• "False!" on a playground
• Ripen, maybe
• Formal “ain’t”
• Courteous denial
• Brief refutation
• “Over my dead body!”
• Immature comeback
• “The quality of mercy ___ strained”
• Ain't, in other words
• "Failure — an option!"
• "This ___ a pipe"