Adjective "efficient" definition and examples



Definitions and examples


(of a system or machine) achieving maximum productivity with minimum wasted effort or expense.
  1. 'The new duty of the police authority is to achieve efficient and effective policing of its area.'
  2. 'It certainly seemed a very efficient system and one which everyone participates in.'
  3. 'Corruption makes markets less efficient, more costly, and less innovative.'
  4. 'This way we got to experience the amazingly cheap and efficient Italian railway system.'
  5. 'The more information the system has, the more efficient and effective it will be.'
  6. 'In some ways it is a sleek and efficient machine; in others, it is full of flaws.'
  7. 'Contracts would be awarded to those who offer efficient services at the best price.'
  8. 'If we use only five to eight firms, we will be able to offer a streamlined and more efficient service.'
  9. 'With age, your kidneys become less efficient in removing waste from your bloodstream.'
  10. 'The rapid transit system is clean and efficient and the four legs of the line cover most of the city.'
  11. 'an energy-efficient heating system'
(of a person) working in a well-organized and competent way.
  1. 'He proved to be an efficient administrator and a person who was able to bring out the best in this staff.'
  2. 'Learn to become more organized with day-to-day activities and a more efficient worker.'
  3. 'This means the cluster can be slowed as a result of the least efficient worker.'
  4. 'I also know that these sort of things would be a lot easier if people would just be efficient.'
  5. 'I can guarantee that there will be no problems, the crew is very competent and efficient.'
  6. 'His efficient girlfriend is annoyed when he insists on accompanying her on a research trip to Mexico.'
  7. 'I work with a team of women who are really well organised, effective and efficient teachers.'


1. performing or functioning in the best possible manner with the least waste of time and effort; having and using requisite knowledge, skill, and industry; competent; capable: a reliable, efficient assistant.

2. satisfactory and economical to use: Our new air conditioner is more efficient than our old one.

3. producing an effect, as a cause; causative.

4. utilizing a particular commodity or product with the least waste of resources or effort (usually used in combination): a

More examples(as adjective)

"points can be efficient in things."

"businesses can be efficient in quarters."

"warlordses can be efficient at things."

"producers can be efficient in places."

"producers can be efficient in orders."

More examples++


Late Middle English (in the sense ‘making, causing’, usually in efficient cause): from Latin efficient- ‘accomplishing’, from the verb efficere (see effect). The current sense dates from the late 18th century.