efficient adjective definition in Job skills and personal qualities topic from the Oxford Advanced Learner's Dictionary

efficient

 adjective: Job skills and personal qualities topic
doing something well and thoroughly with no waste of time, money or energy an efficient secretary efficient heating equipment the efficient use of energy We offer a fast, friendly and efficient service. As we get older, our bodies become less efficient at burning up calories. fuel-efficient cars (= that do not use much fuel)

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