Related Clues:

• "Baloney!"
• Inaccurate
• "No way!"
• "Don't think so"
• No, informally
• "That's a lie!"
• Trumped-up
• 'Not so!'
• Mendacious
• ''Nope''
• 'Au contraire!'
• 'Not a chance'
• 'Naw'
• ''You're wrong!''
• ''Think again''