Definition of consciousness noun from the Oxford Advanced American Dictionary

     

    consciousness

     noun
    noun
    NAmE//ˈkɑnʃəsnəs//
     
    [uncountable]
     
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  1. 1the state of being able to use your senses and mental powers to understand what is happening I can't remember any more—I must have lost consciousness. She did not regain consciousness and died the next day.
  2. 2the state of being aware of something synonym awareness his consciousness of the challenge facing him class-consciousness (= consciousness of different classes in society)
  3. 3the ideas and opinions of a person or group her newly-developed political consciousness issues affecting the popular consciousness of the time see also stream of consciousness
See the Oxford Advanced Learner's Dictionary entry: consciousness