Disable

attenuate batter blunt damage debilitate disarm disenable disqualify enervate enfeeble exhaust hamstring handicap harm hock hogtie hurt immobilize impair incapacitate invalidate kibosh knock out maim mangle mar mutilate muzzle paralyze pinion prostrate put out of action render incapable ruin sabotage sap shatter shoot down spoil take out throw monkey wrench in total unbrace undermine unfit unstrengthen weaken wreck