unconscious

/ʌnˈkɑnʃəs/
adjective
  1. Not awake or aware of one's surroundings, usually because of injury, illness, or sleep.
    • The patient was unconscious when the ambulance arrived.
    • The hiker was found unconscious after falling off the trail.
    • He remained unconscious for several hours after the accident.
  2. Done or happening without being aware of it; not deliberate.
    • I made an unconscious decision to avoid that street after the scary experience.
    • His unconscious bias affected the way he treated people from different backgrounds.
    • She had an unconscious habit of tapping her foot while thinking.
noun
  1. The part of the mind that contains thoughts, memories, and feelings that a person is not actively aware of.
    • Dreams are believed to come from the unconscious.
    • Many of our habits are controlled by the unconscious.
    • The therapist helped him explore his unconscious to understand his fears.