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


  1. Not capable (of doing something); unable.
    A pint glass is incapable of holding more than a pint of liquid.
    I consider him incapable of dishonesty.
  2. Not in a state to receive; not receptive; not susceptible; not able to admit.
    incapable of pain, or pleasure; incapable of stain or injury

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