< Late Latin incapābilis.
incapability, incapableness, nounincapably, adverb
1. Incapable, incompetent, inefficient, unable
are applied to a person or thing that is lacking in ability, preparation, or power for whatever is to be done. Incapable
usually means inherently lacking in ability or power: incapable of appreciating music; a bridge incapable of carrying heavy loads. Incompetent
generally used only of persons, means unfit or unqualified for a particular task: incompetent as an administrator. Inefficient
means wasteful in the use of effort or power: an inefficient manager; inefficient methods. Unable
usually refers to a temporary condition of inability to do some specific thing: unable to relax, to go to a concert. 2.