Overrule/ˌəʊvərˈruːl/ Definition 1 of 2Pro Tip 1/3Legal Authority Used when a higher court changes a lower court's decision. The High Court overruled the lower court's verdict. Pro Tip 2/3Final Judgement 'Overrule' often signifies a final decision in a legal argument. Her appeal was dismissed when the judge overruled it. Pro Tip 3/3Legal Disagreement Implies disagreement with a previous legal ruling or argument. The attorney's points were strong, but the judge overruled.