Related Clues:

• Permit that'll get you across a mountain
• Authorise; overtake
• Go beyond critical position
• Overtake; permit
• Progress made by the old man's son
• Don't answer a question but have exam success
• Decline to respond to come-on
• I'm not interested in permit!
• "Can't be"
• "No way, man!"
• 'Ain't gonna work!'
• Opposite of 'yep'
• "Ain't gonna work!"
• 'I doubt it'
• "I doubt it"