Lacking in ability or qualification for the purpose or end in view; not large enough to contain or hold; deficient in physical strength, mental or moral power, etc.; not capable; as, incapable of holding a certain quantity of liquid; incapable of endurance, of comprehension, of perseverance, of reform, etc.

Not capable of being brought to do or perform, because morally strong or well disposed; -- used with reference to some evil; as, incapable of wrong, dishonesty, or falsehood.

One who is morally or mentally weak or inefficient; an imbecile; a simpleton.

Not being able to do something. For example, the mentally ill may be incapable of entering into a contract because they are unable to form the appropriate understanding of what they are doing. Click here to go back to the glossary. If you entered from another page click your web browsers "back" button

(followed by `of') lacking capacity or ability; "incapable of carrying a tune"; "he is incapable of understanding the matter"; "incapable of doing the work"

lacking the necessary skill or knowledge etc.; "an incapable helper"