Related Clues:

• Casual refusal ... and, another way, a hint to this puzzle's four longest answers
• 'That ain't gonna work'
• "Nah, I don't think so"
• 'Nuh-uh!'
• Nope relative
• 'That ain't right'
• 'No can do'
• 'Negatory'
• Opposite of "yeah"
• Recalled old record being played? Definitely not
• Slangy "I'll pass"
• 'Can't say I've seen it'
• 'Fuhgeddaboutit!'
• Sodium hydride symbol
• "No" to a cowpoke