INCAPABLE

adjective Etymology: Middle French, from in- + capable capable Date: 1594 lacking capacity, ability, or qualification for the purpose or end in view: as, not able to take in, hold, or keep, not receptive, not being in a state or of a kind to admit ; insusceptible , not able or fit for the doing or performance ; incompetent , lacking legal qualification or power (as by reason of mental incompetence) ; disqualified, incapability noun ~ness noun incapably adverb