• A fiend or incubus formerly supposed to cause trouble in
    sleep.


    Nightmare meaning & definition 1 of Nightmare.


  • a very upsetting or frightening dream:

    Nightmare meaning & definition 2 of Nightmare.


  • A frightening or unpleasant dream.

    Nightmare meaning & definition 3 of Nightmare.

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This page shows you usage and meanings of Nightmare around the world.