Related Clues:

• "Sorry, no"
• Casual rejection
• "Can't help ya"
• "___ Get Next to You" (Temptations hit)
• Words from one who's defeated
• "Dream on!"
• "Out of the question"
• 'Yep' opposite
• "Not possible"
• 'Ain't happening'
• Yup's antonym
• Opposite of "yup"
• Turndown from the overcommitted
• 'Not gonna happen'
• Opposite of 49-Across