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English definition of “imperative”

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imperative

adjective
 
 
/ɪmˈperətɪv/
MUST BE DONE formal When an action or process is imperative, it is extremely important that it happens or is done: [+ (that)] It is imperative that I speak with him at once.Very important or urgent
GRAMMAR An imperative form of a verb is used to express an order. In the sentence 'Stop the machine!', the verb 'stop' is an imperative verb.Verb forms, tenses and types of verbs
(Definition of imperative adjective from the Cambridge Learners Dictionary © Cambridge University Press)
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