efficiency

noun

ef·​fi·​cien·​cy i-ˈfi-shən-sē How to pronounce efficiency (audio)
plural efficiencies
1
: the quality or degree of being efficient
2
a
: efficient operation
b(1)
: effective operation as measured by a comparison of production with cost (as in energy, time, and money)
(2)
: the ratio of the useful energy delivered by a dynamic system to the energy supplied to it
3

Examples of efficiency in a Sentence

Because of her efficiency, we got all the work done in a few hours. The factory was operating at peak efficiency. A furnace with 80 percent fuel efficiency wastes 20 percent of its fuel. The company is trying to lower costs and improve efficiencies.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
To support Moshiri’s goals, a realigned Board was cultivated to enhance operational efficiency and instill strategic calibration. Chris Gallagher, USA TODAY, 29 Nov. 2024 Turnovers continued to plague the Huskies in the fourth quarter, but Ole Miss couldn’t maintain its third quarter offensive efficiency. Emily Adams, Hartford Courant, 28 Nov. 2024 Key Takeaways The key to increasing legal tech adoption in your law firm lies in strong leadership support that fosters a culture that embraces innovation and clearly communicates the long-term benefits of technology for both efficiency and client success. Daniel Farrar, Forbes, 27 Nov. 2024 The Terps’ offensive eruption in the first half was aided by remarkable efficiency from behind the 3-point line. Edward Lee, Baltimore Sun, 27 Nov. 2024 See all Example Sentences for efficiency 

Word History

Etymology

borrowed from Latin efficientia, from efficient-, efficiens "producing or giving rise to something, immediate (of a cause), efficient" + -ia -y entry 2

First Known Use

1633, in the meaning defined at sense 1

Time Traveler
The first known use of efficiency was in 1633

Dictionary Entries Near efficiency

Cite this Entry

“Efficiency.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/efficiency. Accessed 3 Dec. 2024.

Kids Definition

efficiency

noun
ef·​fi·​cien·​cy i-ˈfish-ən-sē How to pronounce efficiency (audio)
plural efficiencies
1
: the quality or degree of being efficient
2
: efficient operation
3
: the ratio of the useful energy delivered by a machine to the energy supplied to it

More from Merriam-Webster on efficiency

Last Updated: - Updated example sentences
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