Definition of conscious adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈkɒnʃəs//
    ; NAmE NAmE//ˈkɑːnʃəs//
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  1. 1  [not before noun] aware of something; noticing something conscious of something She's very conscious of the problems involved. conscious of doing something He became acutely conscious of having failed his parents. conscious that… I was vaguely conscious that I was being watched. opposite unconscious see also class-conscious, self-conscious
  2. 2  able to use your senses and mental powers to understand what is happening A patient who is not fully conscious should never be left alone. opposite unconscious
  3. 3  (of actions, feelings, etc.) deliberate or controlled to make a conscious decision I made a conscious effort to get there on time. a conscious act of cruelty opposite unconscious compare subconscious
  4. 4  being particularly interested in something environmentally conscious They have become increasingly health-conscious.
  5. Word Originlate 16th cent. (in the sense ‘being aware of wrongdoing’): from Latin conscius ‘knowing with others or in oneself’ (from conscire ‘be privy to’) + -ous.Extra examples Barely conscious of the flashing lights around him, Kevin recklessly weaved in and out of traffic. Erin was only partially conscious. He fell, and was dimly conscious of Tara standing over him. He was completely conscious of her warm body next to his. I am very conscious of the need for secrecy. I was hardly conscious of my surroundings. I was only half conscious. One man was so drunk as to be barely conscious. She became acutely conscious that someone was watching her. She remained conscious throughout the operation. She was heavily sedated but struggled to stay conscious. The company is extremely environmentally conscious. The patient is not yet fully conscious. Try to keep the patient conscious. We are now deeply conscious of these issues. fashion conscious teenagers the development of socially conscious architecture treatment decisions for persons in a minimally conscious state He drifted into it rather than as a result of any conscious political choice. He was painfully conscious of his mother’s embarrassment. She made a conscious decision to spend more time with her family. She’s very conscious of the problems involved.
See the Oxford Advanced American Dictionary entry: conscious