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 Both aircraft use Jaunt’s Slowed-Rotor Compound configuration, which shifts more lift to the wing during forward flight to improve cruise efficiency while retaining vertical takeoff and landing capability. — Aamir Khollam, Interesting Engineering, 3 Aug. 2026 And only once, in four seasons with Riley, has USC fallen out of the top seven nationally in that efficiency rate. — Ryan Kartje, Los Angeles Times, 3 Aug. 2026 As a result, our focus will be on forward guidance, end market commentary, and any new opportunities the team may have discovered since separation to enhance efficiencies. — Zev Fima,kevin Stankiewicz, CNBC, 2 Aug. 2026 In other words, employees these days are hiding their efficiency. — Nirit Cohen, Forbes.com, 2 Aug. 2026 See All Example Sentences for efficiency

Recent Examples of Synonyms for efficiency

Noun

Ferulic acid, for its part, can help boost their stability and efficacy—which in sum made the formula more powerful than most antioxidant serums.

— Deanna Pai, Vogue, 7 Aug. 2026
But researchers cautioned that the drug’s efficacy has not yet been proven.

— The New Yorker, New Yorker, 7 Aug. 2026

Definition of efficacy

Noun

The traditional flu shot ranges in effectiveness from 22% to 56%, according to the Mayo Clinic.

— Berkeley Lovelace Jr, NBC news, 6 Aug. 2026
One of the reasons people are reluctant to get a flu shot is because of its sometimes weak effectiveness in protecting against symptoms.

— Alice Park, Time, 6 Aug. 2026