efficient

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See also: efficiënt

English[edit]

Etymology[edit]

1398, "making," from Old French, from Latin efficientem (nominative efficiens), preposition of efficere "work out, accomplish" (see effect). Meaning "productive, skilled" is from 1787. Efficiency apartment is first recorded 1930, American English. [1]

Pronunciation[edit]

  • (file)

Adjective[edit]

efficient (comparative more efficient, superlative most efficient)

  1. Making good, thorough, or careful use of resources; not consuming extra. Especially, making good use of time or energy.
    • 2013 June 1, “A better waterworks”, The Economist, volume 407, number 8838, page 5 (Technology Quarterly): 
      An artificial kidney these days still means a refrigerator-sized dialysis machine. Such devices mimic [] real kidneys [] . But they are nothing like as efficient, and can cause bleeding, clotting and infection—not to mention inconvenience for patients, who typically need to be hooked up to one three times a week for hours at a time.
    An efficient process would automate all the routine work.
    Our cleaners are almost too efficient: they throw away anything left out on a desk.
  2. Using a particular proportion of available energy.
    The motor is only 20% efficient at that temperature.
  3. Causing effects; producing results.
    • Wilson
      The efficient cause is the working cause.

Antonyms[edit]

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Related terms[edit]

Translations[edit]

References[edit]

  1. ^ Online Etymology Dictionary [1]



Latin[edit]

Verb[edit]

efficient

  1. third-person plural future active indicative of efficiō