Related Clues:

• ''Not very likely!''
• "Ri-i-ight"
• "Suuure ..."
• ''Yea, right!''
• Skeptic's comeback
• 'Uh-huh, sure it is'
• Doubter's comment
• Sarcastic ''Sure!''
• "Doubtful"
• ''Ha!''
• 'That doesn't surprise me!'
• 'Uh-huh, yeah, sure'
• Skeptic's rejoinder
• Expression of doubt
• Exclamation of disbelief