Definition of efficient adjective from the Oxford Advanced Learner's Dictionary



BrE BrE//ɪˈfɪʃnt//
; NAmE NAmE//ɪˈfɪʃnt//
Job skills and personal qualities
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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) opposite inefficient See related entries: Job skills and personal qualities Word Originlate Middle English (in the sense ‘making, causing’): from Latin efficient- ‘accomplishing’, from the verb efficere ‘accomplish’, from ex- ‘out, thoroughly’ + facere ‘do, make’. The current sense dates from the late 18th cent.Extra examples A quietly efficient manservant brought them coffee and brandy. He was ruthlessly efficient in acquiring estates. His secretary was formidably efficient: her minutes were works of art. The heating system is very efficient in its use of of fuel. The procedure is not fully efficient: improvements could be made. The receptionist was briskly efficient. Their equipment was not as efficient at finding gold as today’s machinery. We already have a perfectly efficient system—why change it? Efficient teachers minimize the amount of paperwork they have to do. It’s an incredibly efficient system. Modern water boilers are highly efficient in fuel use. More efficient use of energy resources is vital. Our bodies become less efficient at burning off calories. Our procedures are not yet fully efficient. She was helpful, quietly efficient and tactful. The more efficient firms have lower costs. The organization seems pretty efficient to me. The system is not very efficient as it stands. Which software is the most efficient at processing the data?
See the Oxford Advanced American Dictionary entry: efficient