imposition - definition and synonyms

noun 

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/ˌɪmpəˈzɪʃ(ə)n/
singularimposition
pluralimpositions
  1. 1
    [uncountable] the introduction of something such as a new law or a new system
    imposition of:

    the imposition of economic sanctions

  2. 2
    [countable] [usually singular] an unfair or unreasonable situation that you are expected to accept

    Expecting employees to work longer hours for the same pay is a huge imposition.