Unconscious can mean:

• not conscious
• unconsciousness: the loss of consciousness or lack of consciousness, not to be confused with altered states of consciousness.
• Unconscious mind, the mind operating well below the perception of the conscious mind as defined by Sigmund Freud and others.

Can also refer to the Spanish film

• Unconscious (film).

See also

• Consciousness
• Unconscious communication
• Subconscious mind
• Carl Jung's concept of collective unconscious