To render unable; deprive of ability, physical, mental, or legal; weaken or destroy the capability of; cripple or incapacitate: as, a ship is disabled by a storm or a battle; a race-horse is disabled by lameness; loss of memory disables a teacher.To impair; diminish; impoverish.To pronounce incapable; hence, to detract from; disparage; undervalue.Synonyms To cripple, paralyze, enfeeble, unfit, disqualify.Wanting ability; incompetent.