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English definition of “efficient”

efficient

adjective uk   /ɪˈfɪʃ.ənt/ us  
B1 working or operating quickly and effectively in an organized way: The city's transport system is one of the most efficient in Europe. We need someone really efficient who can organize the office and make it run smoothly.Efficient and effective
efficiently
adverb uk   /-li/ us  
B2 She runs the business very efficiently.Efficient and effective
(Definition of efficient from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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