efficiency
noun
ef·fi·cien·cy
i-ˈfi-shən-sē 
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
Synonyms
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
For example, a small business might value cost savings and efficiency, while a large corporation might prioritize scalability and long-term ROI.
—
Ryan Dohrn, Forbes, 9 Jan. 2025
Chick-fil-a does the robot Chick-fil-A is deploying robots at its Bay Center Foods facility to speed up lemon juice production, improve efficiency, and minimize waste.
—Francisco Velasquez, Quartz, 9 Jan. 2025
His shooting efficiency has at least opened the door a bit.
—Sam Vecenie, The Athletic, 9 Jan. 2025
While the company showed some signs of recovery in its latest earnings report, including revenue growth driven by strength in the flash segment and improved operational efficiencies, these positives were overshadowed by a revenue miss.
—Tony Zhang, CNBC, 8 Jan. 2025
See all Example Sentences for efficiency 
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Ryan Dohrn, Forbes, 9 Jan. 2025
Chick-fil-a does the robot Chick-fil-A is deploying robots at its Bay Center Foods facility to speed up lemon juice production, improve efficiency, and minimize waste.
—Francisco Velasquez, Quartz, 9 Jan. 2025
His shooting efficiency has at least opened the door a bit.
—Sam Vecenie, The Athletic, 9 Jan. 2025
While the company showed some signs of recovery in its latest earnings report, including revenue growth driven by strength in the flash segment and improved operational efficiencies, these positives were overshadowed by a revenue miss.
—Tony Zhang, CNBC, 8 Jan. 2025
See all Example Sentences for efficiency
Cite this Entry
“Efficiency.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/efficiency. Accessed 21 Jan. 2025.
Copy CitationKids Definition
efficiency
noun
ef·fi·cien·cy
i-ˈfish-ən-sē
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
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