dream - definition and synonyms

noun [countable] 

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  1. 1
    something that you experience in your mind while you are sleeping. A dream in which frightening things happen is called a bad dream or a nightmare
    have a dream:

    I had a strange dream last night.

    in a dream:

    The idea came to him in a dream.

  2. 2
    something good that you hope you will have or achieve in the future
    dream of:

    She watched her dreams of success fade away before her eyes.

    1. a.
      [only before noun] used about things that are the best you can imagine

      a dream job/holiday/home