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 Reportedly, the finished cell retained over 90% of its initial efficiency after 569 hours of continuous, maximum-power operation under simulated suns. — Mrigakshi Dixit, Interesting Engineering, 28 Sep. 2026 But that vertical efficiency, at least early on, has not accompanied him to Miami. — Barry Jackson, Miami Herald, 28 Sep. 2026 Miami quarterback Malik Willis led an attack that produced 19 first downs — on eight-for-16 third down efficiency — and a roughly 10-minute advantage in time of possession. — Blair Kerkhoff, Kansas City Star, 28 Sep. 2026 Obviously, if this turbulence could be reduced, efficiency could greatly increase. — New Atlas, 28 Sep. 2026 See All Example Sentences for efficiency

Recent Examples of Synonyms for efficiency

Noun

Wall Street isn’t particularly excited about CagriSema, whose previous late-stage clinical trials disappointed investors because the drug showed weight loss efficacy below expectations.

— Annika Kim Constantino,Elsa Ohlen, CNBC, 25 Sep. 2026
Despite growing evidence supporting safety and efficacy, and the lifting of the warning, a lingering stigma is keeping women from life-saving care.

— Theara Coleman, TheWeek, 24 Sep. 2026

Definition of efficacy

Noun

In testing the holiday period’s effectiveness, the report also verifies that spending at peak periods of demand does not guarantee the highest marginal return on media spend (MROM).

— Arthur Zaczkiewicz, Footwear News, 24 Sep. 2026
This inevitably creates inequities across student access, workforce preparation, cybersecurity and institutional effectiveness.

— Tarini Mehta, Sacbee.com, 24 Sep. 2026