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English definition of “efficient”

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efficient

adjective  /ɪˈfɪʃ·ənt/ us  
working or operating in a way that gets the results you want without any waste: an efficient organization They are developing a more fuel-efficient car to save gas.
efficiently
adverb  /ɪˈfɪʃ·ənt·li/ us  
She manages the business efficiently.
(Definition of efficient from the Cambridge Academic Content Dictionary © Cambridge University Press)
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