| noun | that part of the mind wherein psychic activity takes place of which the person is unaware |
| adjective | not conscious; lacking awareness and the capacity for sensory perception as if asleep or dead “lay unconscious on the floor” |
| adjective | without conscious volition |
| adjective | (followed by `of') not knowing or perceiving; - Charles Dickens “happily unconscious of the new calamity at home” |
| unconsciousness | noun | a state lacking normal awareness of the self or environment |