1. [ adjective ] not conscious; lacking awareness and the capacity for sensory perception as if asleep or dead

"lay unconscious on the floor"

Related terms: conscious subconscious ignorant insensible semicomatose comatose nonconscious cold out asleep unaware involuntary insensible
2. [ adjective ] (followed by `of') not knowing or perceiving

"happily unconscious of the new calamity at home"- Charles Dickens

Related terms: unaware
3. [ adjective ] without conscious volition
Related terms: involuntary
4. [ noun ] (psychoanalysis) that part of the mind wherein psychic activity takes place of which the person is unaware
Synonyms: unconscious_mind
Related terms: mind id superego
Similar spelling:   unconsciously