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English definition of “diligent”

diligent

adjective     /ˈdɪl.ɪ.dʒənt/
approving careful and using a lot of effort: a diligent student Leo is very diligent in/about his work. Their lawyer was extremely diligent in preparing their case.Cautious and vigilantPaying attention and being careful done in a careful and detailed way: The discovery was made after years of diligent research.Detailed and careful diligence     /-dʒəns/ noun [U] She hoped that her diligence would be noticed at work.Detailed and carefulCautious and vigilantPaying attention and being careful diligently     /-li/ adverb Detailed and careful
(Definition of diligent adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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