unconscious
Not awake or aware of one's surroundings, typically due to injury or anesthesia. / Doing something without being aware of it. / The part of the mind which is inaccessible to the conscious mind but affects behavior.
Adjective[C/U] Both
This word carries a heavy clinical weight when describing a lack of physical awareness, suggesting a total blackout or medical emergency. It implies a state of vulnerability where the subject is completely disconnected from the external environment.
When applied to psychology or behavior, it describes the invisible machinery of the mind. It suggests that actions are driven by hidden impulses or ingrained patterns that the person cannot see or control, creating a tension between outward behavior and inner truth.
Countable when referring to a person who is knocked out (an unconscious man). Uncountable when referring to the psychological realm of the hidden mind (the unconscious).