nightmare - definition and synonyms

 
 
noun [countable] 

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/ˈnaɪtˌmeə(r)/
singularnightmare
pluralnightmares
  1. 1
    an extremely difficult or frightening situation

    The journey to work was a nightmare.

    nightmare of:

    The company now faces the nightmare of bankruptcy.

    absolute nightmare:

    Heavy rain made playing conditions an absolute nightmare.

    administrative/bureaucratic etc nightmare:

    The new tax has been a bureaucratic nightmare.

    someone’s worst nightmare:

    The situation on the roads that day was every driver’s worst nightmare.

    nightmare scenario (=the worst possible situation that you can imagine):

    If this computer system fails, this could turn into a nightmare scenario.

  2. 2
    a very frightening and unpleasant dream
    nightmare about:

    I still have terrible nightmares about the crash.