Efficiency Meaning
/ɪˈfɪʃ.ən.si/Definition, CEFR level B2, pronunciation, examples, and quiz.
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Definition
nounThe extent to which a resource is used for the intended purpose.
nounThe extent to which a resource is used for the intended purpose., The ratio of useful work to energy expended. Often given the symbol η.
Sentence Examples
That makes for efficiency.
Office managers expect accuracy, efficiency, and dedication.
Improvements in efficiency at the factory
Synonyms & Antonyms
Synonyms:
None
Antonyms:
CEFR Practice Quiz
The factory improved its ____ by installing robots that never take breaks.
CEFR Practice Quiz (Alternate)
That makes for ____.
Word Origin & History
From Latin efficientia, equivalent to efficient + -cy.
Literary Quotations & Historical Citations
"In a letter DeJoy sent to Congress on Thursday, he said DOGE teams will “assist us in identifying and achieving further efficiencies,” saying the Elon Musk-led agency will focus on improving the management of USPS retirement assets and the Workers’ Compensation Program, as well as addressing the agency’s legislative mandates and regulatory requirements."
— 2025 March 13, Gabe Cohen, “Head of Postal Service agrees to let DOGE work with USPS”, in CNN:
"Even at the busiest periods, an air of quiet orderliness pervades the hall, and the first impression gained by the traveller is one of efficiency, neatness and cleanliness."
— 1951 October 26, H. A. Vallance, “Across Denmark by Lyntog”, in Railway Magazine, page 658:
"The display and result must be placed in the context that was it was against a side that looked every bit their Fifa world ranking of 141 - but England completed the job with efficiency to record their biggest away win in 19 years."
— 2012 September 7, Phil McNulty, “Moldova 0-5 England”, in BBC Sport:
"The manner of this divine efficiency being far above us."
— [1594], Richard Hooker, edited by J[ohn] S[penser], Of the Lawes of Ecclesiastical Politie, […], London: […] Iohn Windet, […], →OCLC, (please specify the page):
Explore More B2 Vocabulary Words
CEFR Practice Quiz
The factory improved its ____ by installing robots that never take breaks.
CEFR Practice Quiz (Alternate)
That makes for ____.