Related Clues:

• Nope
• Negative slang word
• Casual denial
• ''I don't think so''
• Terse refusal
• With 1-Across, is very important
• "Not gonna happen"
• 'Fat chance'
• "I don't think so"
• "Ixnay"
• Curt turndown
• "Nope"
• Lacks the skills
• 'Don't think so!'
• Opposite of 15-Across