EFFICIENCIES Synonyms: 22 Similar and Opposite Words

efficiency

noun

i-ˈfi-shən-sē

Definition of efficiency

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

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Recent Examples of efficiency Leaders therefore need to move beyond vague claims about productivity and efficiency. — Bernard Marr, Forbes.com, 28 July 2026 Sammis’ scheme is all about efficiency and creating easy, open looks for the quarterbacks and the running backs. — Steven Johnson, Fort Worth Star-Telegram, 28 July 2026 Install water-efficient fixtures, such as low-flow showerheads and high-efficiency toilets. — Timothy Dale, The Spruce, 27 July 2026 The new metering policy required households with rooftop solar systems to continue paying certain non-bypassable charges built into electricity rates that fund energy efficiency, low-income assistance and other related programs. — Velvet Wu july 27, Sacbee.com, 27 July 2026 See All Example Sentences for efficiency

Recent Examples of Synonyms for efficiency

Noun

The efficacy of Stones’ skill set was brought into sharper focus during that treble-winning season in 2022-23.

— Mark Carey, New York Times, 26 July 2026
This discrepancy means standard evaluations may inaccurately portray an AI's safety and efficacy.

— Lance Eliot, Forbes.com, 26 July 2026

Definition of efficacy

Noun

But research has been limited and is still in the early stages of understanding the full extent of their effectiveness, safety and long-term effects when used for addiction treatment.

— Steven Beynon, ABC News, 30 July 2026
His 55 per cent success rate was better than anyone in the top 75 for take-on attempts — a marker of his effectiveness from these situations.

— Anantaajith Raghuraman, New York Times, 30 July 2026