EFFICIENCY 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 The main focus has been on improving aero efficiency — how easily a car passes through the air and minimizes drag — especially when following another car on the track. — Luke Smith, New York Times, 5 Sep. 2026 This echoed Frederick Winslow Taylor’s idea of scientific management, which sought efficiency through control and standardization of the labor process. — Literary Hub, 4 Sep. 2026 Over time, workers started managing themselves preemptively in accordance with the mandate of efficiency, optimizing their own calendars and lunch breaks. — Ian Bogost, The Atlantic, 4 Sep. 2026 If operations are well designed, AI’s ability to complete tasks with speed and accuracy can help increase consistency and efficiency. — Farzana Abdulhusein, Forbes.com, 4 Sep. 2026 See All Example Sentences for efficiency

Recent Examples of Synonyms for efficiency

Noun

Lack of self-efficacy Lahey explains that kids who never have to deal with the consequences of their actions end up feeling a lack of self-efficacy.

— Cheryl Maguire, Parents, 1 Sep. 2026
The need-to-know this morning Alumis said its experimental treatment for lupus failed to achieve the efficacy goals of a mid-stage clinical trial.

— Helen Branswell, STAT, 1 Sep. 2026

Definition of efficacy

Noun

Now the technique has become mainstream as attackers reap its simplicity and effectiveness in infecting users of PCs and Macs alike.

— Dan Goodin, ArsTechnica, 11 Sep. 2026
The chaotic, violence-laden sequence is but the first of many in a film that aspires to classic Hollywood action movie status but reduces its effectiveness through overkill of both the literal and figurative kind.

— Frank Scheck, HollywoodReporter, 10 Sep. 2026