Related Clues:

• "Impossible!"
• 'Impossible!'
• "Not so!"
• "There's no truth to that accusation!"
• 'Inconceivable!'
• ''That's impossible!''
• ''I did no such thing!''
• "Not possible"
• 'Don't believe that!'
• See 1 down
• Phrase used to 46-Across
• "I've been framed!"
• "I don't believe it"
• "That's impossible!"
• Is impossible