as in efficacy
the power to produce a desired result
the proven efficiency of meditation in reducing stress within the company's workforce
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Recent Examples of efficiency
Consider installing compatible filters in these systems, or use a standalone high-efficiency particulate air (HEPA) filter unit.
—
Mark Gurarie, Verywell Health, 15 May 2026
The implications extend beyond efficiency.
—Malana Vantyler, USA Today, 15 May 2026
Other measures will include improving energy efficiency, conducting regular energy audits and providing technical training to build a skilled renewable energy workforce, with a focus on increasing women’s participation in engineering and management roles.
—Jasmin Malik Chua, Footwear News, 15 May 2026
Pack: Anti-theft travel pouch that’s simple yet functional Flight attendant CiCi in the Sky is all about efficiency and this RFID-blocking money belt is part of her system.
—Chaise Sanders, Travel + Leisure, 9 May 2026
See All Example Sentences for efficiency
Mark Gurarie, Verywell Health, 15 May 2026
The implications extend beyond efficiency.
—Malana Vantyler, USA Today, 15 May 2026
Other measures will include improving energy efficiency, conducting regular energy audits and providing technical training to build a skilled renewable energy workforce, with a focus on increasing women’s participation in engineering and management roles.
—Jasmin Malik Chua, Footwear News, 15 May 2026
Pack: Anti-theft travel pouch that’s simple yet functional Flight attendant CiCi in the Sky is all about efficiency and this RFID-blocking money belt is part of her system.
—Chaise Sanders, Travel + Leisure, 9 May 2026
See All Example Sentences for efficiency
Recent Examples of Synonyms for efficiency
Noun
-
For that reason, the study failed to achieve its primary efficacy goal, which was a dose response.—
Adam Feuerstein,
STAT,
14 May 2026
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Novo has said that the similar efficacy of more than 20% between high-dose Wegovy and Zepbound could help the company win back market share from Lilly.—
Annika Kim Constantino,
CNBC,
12 May 2026
Noun
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While Jaquez did not provide the eye-popping scoring of some of her teammates, the wing brought a cool effectiveness to the defensive side of the ball while tallying a pair of assists and a handful of deflections.—
Julia Poe,
Chicago Tribune,
10 May 2026
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The United States and Israel pounded Iran with devastating effectiveness for 37 days, killing much of the country’s leadership and destroying the bulk of its military, yet couldn’t collapse the regime or exact even the smallest concession from it.—
Robert Kagan,
The Atlantic,
10 May 2026
Cite this Entry
“Efficiency.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/efficiency. Accessed 18 May. 2026.
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