Related Clues:

• 'Ixnay'
• 'Out of the question'
• Canceled, slangily
• 'Fuhged-daboudit!'
• Impossible
• Scrubbed, as a mission
• Scratch, at NASA
• Unable to launch
• "Forget it!"
• NASA negative
• Aborted
• Nyet
• 'You must be joking'
• Villainous doctor
• 'Forget it'