unconscious Meaning, Definition & Usage

  1. noun that part of the mind wherein psychic activity takes place of which the person is unaware
    unconscious mind.
  2. adjective not conscious; lacking awareness and the capacity for sensory perception as if asleep or dead
    • lay unconscious on the floor
  3. adjective satellite without conscious volition
  4. adjective satellite (followed by `of') not knowing or perceiving
    • happily unconscious of the new calamity at home"- Charles Dickens

WordNet

Un*con"scious adjective
Definitions
  1. Not conscious; having no consciousness or power of mental perception; without cerebral appreciation; hence, not knowing or regarding; ignorant; as, an unconscious man. Cowper.
  2. Not known or apprehended by consciousness; as, an unconscious cerebration. "Unconscious causes." Blackmore.
  3. Having no knowledge by experience; -- followed by of; as, a mule unconscious of the yoke. Pope. -- Un*con"scious-ly, adv. -- Un*con"scious*ness, n.

Webster 1913