temperamental - definition and synonyms

adjective 

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/ˌtemprəˈment(ə)l/
  1. 1
    a temperamental person gets angry easily, or changes from one mood to another very quickly

    temperamental film stars

    1. a.
      humorous used for describing something that often goes wrong or does not work in the way that you expect

      This photocopier’s a bit temperamental.

derived word