Related Clues:

• Cheat to start puzzle
• Counter, at a debate
• Prove wrong potato perhaps has been sent back
• Prisoner experienced defeat
• Give the lie to root in U-turn
• Orally oppose
• Drive a coach and horses through iron dug up in Russia on the banks of Tosna in Otradnoye
• Deny King Edward, for example, has returned
• Offer a counter argument backing Spud
• Deny claim about Root?
• Rebuilt feature lacking a counter
• Deny King Edward, say, is making a comeback
• Explode: instrument going up, by the sound of it?
• Make a counterargument against
• Deny one of those with a reputation for arbitration is even subtle