Definition of unconscious adjective from the Oxford Advanced Learner's Dictionary
1in a state like sleep because of an injury or illness, and not able to use your sensesShe was knocked unconscious.They found him lying unconscious on the floor.2(of feelings, thoughts, etc.) existing or happening without you realizing or being aware; not deliberate or controlledunconscious desiresThe brochure is full of unconscious humour. compare subconscious3unconscious of somebody/somethingnot aware of somebody/something; not noticing something; not conscious
oblivious toShe is unconscious of the effect she has on people.He was quite unconscious of the danger.