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unconscious - definition and synonyms


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adjective unconscious pronunciation in British English /ʌnˈkɒnʃəs/
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  1. 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 unconscious:

    He was attacked by two men and knocked unconscious.

  2. 2
    an unconscious feeling or thought is one that you do not realize that you have

    an unconscious fear of change

    the child’s unconscious desire to learn

    1. a.
      used about things you do without realizing you are doing them or without intending to do them

      She has the unconscious habit of biting her fingernails.

      an unconscious gesture of self-protection

derived words


noun [uncountable]

sea lion

in an online conversation, repeatedly asking a person questions which suggest that you are interested in what they are talking about, but are actually intended to annoy them

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to teach someone

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