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imperative - definition and synonyms

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noun     imperative pronunciation in British English
Word Forms
  1. 1
    [countable] formal something that is very important and urgent
    a moral/political/economic imperative (=something that must be done because it is right):

    Solidarity between rich and poor nations is a moral imperative.

  2. 2
    [singular] linguistics the form of a verb that expresses orders. The imperative is also called the imperative mood.

Open Dictionary

snap election

a general election … that is called earlier than expected

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