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efficient Syllabification: ef·fi·cient
Pronunciation: /əˈfiSHənt/

Definition of efficient in English:


1(Especially of a system or machine) achieving maximum productivity with minimum wasted effort or expense: fluorescent lamps are efficient at converting electricity into light
More example sentences
  • If we use only five to eight firms, we will be able to offer a streamlined and more efficient service.
  • In some ways it is a sleek and efficient machine; in others, it is full of flaws.
  • It certainly seemed a very efficient system and one which everyone participates in.
1.1(Of a person) working in a well-organized and competent way: an efficient administrator
More example sentences
  • I work with a team of women who are really well organised, effective and efficient teachers.
  • Learn to become more organized with day-to-day activities and a more efficient worker.
  • Chris was known widely as an astute and efficient farmer and a devoted family man.
organized, methodical, systematic, logical, orderly, businesslike, streamlined, productive, effective, cost-effective, labor-saving
competent, capable, able, proficient, adept, skillful, skilled, effective, productive, organized, businesslike
1.2 [in combination] Preventing the wasteful use of a particular resource: an energy-efficient heating system


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.

Words that rhyme with efficient

coefficient, proficient, sufficient
Definition of efficient in:
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