Related Clues:

• Kill, in a way
• ''Absolutely not!''
• Bill blocker
• Block
• Kind of power
• Not just 'no!'
• Emphatic refusal
• 'In your dreams!'
• Literally, 'I forbid'
• Shout of disapproval
• Presidential option
• High-level denial
• Executive nix
• "When pigs fly!"
• "Not gonna happen"