1) Interruption of awareness of oneself and one’s surroundings, lack of the ability to notice or respond to stimuli in the environment. A person may become unconscious due to oxygen deprivation, shock, central nervous system depressants such as alcohol and drugs, or injury. 2) In psychology, that part of thought and emotion that happens outside everyday awareness.
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1. Not conscious. 2. In psychoanalysis, the psychic structure comprising the drives and feelings of which one is unaware. SYN: insensible (1).
- collective u. in jungian psychology, the combined engrams or memory potentials inherited from an individual's phylogenetic past.

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un·con·scious .ən-'kän-chəs adj
1) not marked by conscious thought, sensation, or feeling <\unconscious motivation>
2) of or relating to the unconscious
3) having lost consciousness <was \unconscious for three days>
un·con·scious·ly adv
un·con·scious·ness n
unconscious n the part of mental life that is not ordinarily integrated or available to consciousness yet may be manifested as a motive force in overt behavior (as in neurosis) and is often revealed (as through dreams, slips of the tongue, or dissociated acts) compare SUBCONSCIOUS

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1. in a state of unconsciousness.
2. describing those mental processes of which a person is not aware.
3. (in psychoanalysis) denoting the part of the mind that includes memories, motives, and intentions that are not accessible to awareness and cannot be made conscious without overcoming resistances. Compare subconscious.

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un·con·scious (ən-konґshəs) 1. insensible; incapable of responding to sensory stimuli and of having subjective experiences; see also coma and consciousness. 2. the part of the mind that is not readily accessible to conscious awareness by ordinary means but whose existence may be manifested in symptom formation, in dreams, or under the influence of drugs; it is one of the systems of Freud's topographic model of the mind. Cf. conscious and preconscious.

Medical dictionary. 2011.

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  • unconscious — [unkän′shəs] adj. 1. a) not endowed with consciousness; mindless b) temporarily deprived of consciousness [unconscious from a blow on the head] 2. not aware (of) [unconscious of his mistake] 3. not known, realized, or intended; not done, said,… …   English World dictionary

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  • 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… …   Wikipedia

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  • unconscious — index blind (not discerning), incognizant, insensible, involuntary, oblivious, torpid, unaware, unintentional …   Law dictionary

  • unconscious — unconsciously, adv. unconsciousness, n. /un kon sheuhs/, adj. 1. not conscious; without awareness, sensation, or cognition. 2. temporarily devoid of consciousness. 3. not perceived at the level of awareness; occurring below the level of conscious …   Universalium

  • unconscious — un|con|scious1 [ ʌn kanʃəs ] adjective * 1. ) in a condition similar to sleep in which you do not see, feel, or think, usually because you are injured: She was unconscious but still breathing when the ambulance arrived. knock/beat someone… …   Usage of the words and phrases in modern English

  • unconscious — un|con|scious1 [ʌnˈkɔnʃəs US ˈka:n ] adj 1.) unable to see, move, feel etc in the normal way because you are not conscious ▪ She was found alive but unconscious. knock/beat sb unconscious ▪ Levin was knocked unconscious by the impact. 2.) a… …   Dictionary of contemporary English

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