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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 efficiently
  • No system can perform efficiently when one is looking for a needle in a haystack by checking each straw individually.
  • Ingesting this slower air allows an engine to burn its fuel more efficiently while generating the same amount of thrust.
  • Chewing is important because it enables animals to break down and efficiently process many different kinds of vegetation.
  • To go farther into space, humans will first have to figure out how to get there cheaply and more efficiently.
  • The butterflies' similar appearance imparts the don't-eat-us lesson more efficiently.
  • In essence, the shelves in its shops are a highly efficiently managed depot.
  • Green plants have been using photosynthesis for billions of years to efficiently convert sunlight into energy.
  • He said the genetic mutation seems to make people sleep more efficiently.
  • Perhaps some kids need to be guided to work more efficiently.
  • The duo of smartphones were used to test and investigate how humans and robots can coexist in space more efficiently.
British Dictionary definitions for efficiently

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 efficiently
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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