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 What emerges is incremental efficiency rather than true transformation. — Nigel Vaz, Time, 20 July 2026 The agents, integrated into a mobile app, will handle tasks like payroll, onboarding, and compliance, aiming to simplify employee lives and boost employer efficiency. — David Prosser, Forbes.com, 20 July 2026 Cost-routing work through the right model, instead of the biggest one, is one of the best ways to increase efficiency. — Sumeet Agrawal, Fortune, 20 July 2026 Therefore, if energy efficiency is a priority, opt for an LED option. — Bestreviews, Chicago Tribune, 20 July 2026 See All Example Sentences for efficiency

Recent Examples of Synonyms for efficiency

Noun

Another way to measure the law’s efficacy is to ask parents themselves.

— Ravi Iyer, Time, 18 July 2026
Many within the military outside the high command also spoke against Fedorov, voicing skepticism about the efficacy of his reforms.

— Brady Knox, The Washington Examiner, 16 July 2026

Definition of efficacy

Noun

Swimming, sweating and even everyday wear can reduce its effectiveness over time.

— Kaitlyn Harvey, AJC.com, 17 July 2026
The effectiveness of a monitoring system ultimately depends not only on the volume of data collected but also on the credibility, security, and reliability of the information produced.

— IEEE Spectrum, IEEE Spectrum, 16 July 2026