EFFICIENCY Synonyms: 22 Similar and Opposite Words

efficiency

noun

i-ˈfi-shən-sē

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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Example Sentences

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.

Recent Examples of efficiency The property — a 1930s duplex featuring a two-bedroom, one-bath main house with a Spanish barrel tile roof and a towering mango tree, plus two separate efficiencies — is one of many sites affected by gas leak contamination that became endemic during the 1980s. —

Ashley Miznazi, Miami Herald, 9 Apr. 2026 No longer a science project But surprisingly, efficiency isn’t bad for business. —

Sharon Goldman, Fortune, 9 Apr. 2026 Storing personal items under seats and waiting to use overhead bins helps avoid delays and improves efficiency. —

Joey Skladany, Travel + Leisure, 9 Apr. 2026 In addition to increasing efficiency, the technology could also change the environmental dynamics of mining. —

Prabhat Ranjan Mishra, Interesting Engineering, 9 Apr. 2026 See All Example Sentences for efficiency

Recent Examples of Synonyms for efficiency

Noun

But its efficacy was only about 73 to 75 percent.

— Tara Haelle, Scientific American, 9 Apr. 2026
Some in the medical community challenge the efficacy of treatments offered by Hydration Room and similar clinics.

— Nollyanne Delacruz, Mercury News, 8 Apr. 2026