Related Clues:

• Contradict conclusions reached by higher judge, nevertheless
• Prove (something) to be false
• Prove wrong potato was picked up
• Denied judge trained duet
• Drive back from river, then use public transport, going north
• Deny having uprooted an underground stem
• An awkward brute to disprove
• Refute undisciplined brute
• Tuber (anag.)
• Refute allegation that truffle was planted upside-down
• Deny the potato, for instance, is making a comeback
• Refute objection by engineers
• Potato put over counter
• Squash potato that's served up
• Provide argument against beginning to run train system in reverse