Refute

disprove contradict rebut confute negate invalidate gainsay oppose dispute counter deny demolish explode expose crush overthrow silence squelch repudiate disclaim abnegate break cancel burn debate contravene convict parry quash evert argue against take a stand against shoot down give the lie to tear down burn down cancel out give thumbs down to blow sky high show up shoot full of holes dispose of disconfirm contend reply to top