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efficient

[ih-fish-uh nt] /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.
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.
Origin
1350-1400
1350-1400; Middle English (< Middle French) < Latin efficient- (stem of efficiēns), equivalent to ef- ef- + fic-, combining form of facere to make, do1 + -ent- -ent
Related forms
efficiently, adverb
nonefficient, adjective
nonefficiently, adverb
quasi-efficient, adjective
quasi-efficiently, adverb
superefficient, adjective
unefficient, adjective
Synonyms
1. effectual. See effective.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for efficient
  • Durable furnishings and well-organized tools and materials are key to a small but efficient workspace.
  • The learning-sciences literature has demonstrated that learning is more efficient and effective in such groups.
  • The results revealed that human skulls, far from being weak, are quite tough and unusually efficient for their size.
  • It remains to be seen how weather conditions affect the air flows that make formation flight more efficient.
  • In my opinion, it would prove to be a very efficient strategy.
  • Everyone moans about the poor efficiency of solar cells, but very little money has been spent in making them more efficient.
  • Homeschooling will likely be more efficient for my kids.
  • Skill is the ability to make efficient decisions in new situations.
  • Everything in her life is organized, minimal, and efficient.
  • Plan details carefully to make efficient use of small spaces.
British Dictionary definitions for efficient

efficient

/ɪˈfɪʃənt/
adjective
1.
functioning or producing effectively and with the least waste of effort; competent
2.
(philosophy) producing a direct effect; causative
Derived Forms
efficiently, adverb
Word Origin
C14: from Latin efficiēns effecting
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
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Word Origin and History for efficient
efficient
late 14c., "making," from L. efficientem (nom. efficiens), prp. of efficere "work out, accomplish" (see effect). Meaning "productive, skilled" is from 1787. Related: Efficiently
Online Etymology Dictionary, © 2010 Douglas Harper
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