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fantasy

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noun American English pronunciation: fantasy /ˈfæntəsi/ 
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singularfantasy
pluralfantasies
  1. 1
    [countable] a pleasant, exciting, or unusual experience that you imagine is happening to you
    sexual/erotic/romantic fantasies:

    romantic fantasies of love

    have fantasies of/about something:

    He's always had fantasies about living in a castle.

    1. a.
      [uncountable] a state or situation that is not true or real

      He dismissed the story as "pure fantasy."

      I don't think he can tell the difference between fantasy and reality.

      live in a fantasy world:

      Even as a boy he lived in a fantasy world.

  2. 2
    [countable/uncountable] a story that shows a lot of imagination and is very different from real life

    science fiction and futuristic fantasy

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