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Showing results for efficient. Search instead for +efficient.
Synonyms

efficient

American  
[ih-fish-uhnt] / ɪˈfɪʃ ənt /

adjective

  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.

    Synonyms:
    effectual
  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 fuel-efficient engine.


efficient British  
/ ɪˈfɪʃənt /

adjective

  1. functioning or producing effectively and with the least waste of effort; competent

  2. philosophy producing a direct effect; causative

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

What are other ways to say efficient? A person or a thing that is efficient performs or functions in the best possible manner with the least waste of time and effort. But efficient isn’t quite the same as effectual, efficacious, or effective! Find out why on Thesaurus.com. 

Other Word Forms

  • efficiently adverb
  • nonefficient adjective
  • quasi-efficient adjective
  • superefficient adjective
  • unefficient adjective

Etymology

Origin of efficient

First recorded in 1350–1400; Middle English, from Middle French, from Latin efficient- (stem of efficiēns ), equivalent to ef- ef- + fic-, combining form of facere “to make, do 1 ” + -ent- -ent

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Hard disk drives are a fraction of the cost of, say, an Nvidia server rack, and more efficient drives can save data centers money, Fox noted.

From Barron's

Sunday Robotics, a startup that only recently exited stealth mode, says it has a more efficient method than traditional teleoperation.

From MarketWatch

Sunday Robotics, a startup that only recently exited stealth mode, says it has a more efficient method than traditional teleoperation.

From MarketWatch

It calls its chips LPUs, and they are designed for fast and efficient inference.

From Barron's

AI is making cybercriminals more efficient, allowing them to scale up operations.

From The Wall Street Journal