unconscious /(ŭn*kŏn"shŭs)/

un·con·scious

unconscious

a.
  1. Not conscious; having no consciousness or power of mental perception; without cerebral appreciation; hence, not knowing or regarding; ignorant; as, an unconscious man.
  2. Not known or apprehended by consciousness; resulting from neural activity of which a person is not aware; as, an unconscious movement; unconscious cerebration.
  3. Having no knowledge by experience; -- followed by of; as, a mule unconscious of the yoke.
  4. Unintentional; as, an unconscious insult.

unconscious

n.
  1. Usually the unconscious; that part of the mind in which mental processes occur that are not accesible to the awareness, but may significantly influence behavior. (Psychoanalysis)