- doing something in a good, careful and complete way with no waste of time, money or energy
- a highly efficient worker
- efficient heating equipment
- more efficient use of energy
- We offer a fast, friendly and efficient service.
- This is simply the most efficient way to do it.
- We must meet members' needs in the most efficient and effective ways possible.
- efficient at something As we get older, our bodies become less efficient at burning up calories.
- efficient at something These magnificent animals were remarkably efficient at survival.
- efficient in something Modern water boilers are highly efficient in fuel use.
- efficient in doing something He was ruthlessly efficient in acquiring estates.
Extra ExamplesTopics Personal qualitiesb2- She was helpful, quietly efficient and tactful.
- Which software is the most efficient at processing the data?
- The heating system is very efficient in its use of fuel.
- The procedure is not fully efficient: improvements could be made.
- Their equipment was not as efficient at finding gold as today's machinery.
- Efficient teachers minimize the amount of paperwork they have to do.
- Farmers need to market their milk in an efficient, cost-effective manner.
- It's an incredibly efficient system.
- More efficient use of energy resources is vital.
- The more efficient firms have lower costs.
- Farms with large land size are more efficient than farms with small land size.
- The organization seems pretty efficient to me.
- Tax breaks make it efficient for business owners to own their premises.
- How can we make agriculture more economically efficient?
Oxford Collocations Dictionaryverbs- appear
- be
- look
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- extremely
- fairly
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- at
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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.Definitions on the go
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