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

Synonyms & Similar Words

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Example Sentences

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Recent Examples of efficiency For productions, that means campus efficiency paired with location diversity, all a short flight from both coasts. — Partner Content, Variety, 26 Oct. 2026 Richardson added that a solid track record of synergies from past deals in the Eagle Ford region increases confidence about Crescent achieving efficiencies with this deal. — Tipranks.com Staff, CNBC, 26 Oct. 2026 Renewable electrification and efficiency provide the softest path to doing so for the next 50 years. — Daniel Cohan, The Conversation, 26 Oct. 2026 Resilience without discipline can artificially reduce efficiency. — Erik Clarke, Forbes.com, 26 Oct. 2026 See All Example Sentences for efficiency

Recent Examples of Synonyms for efficiency

Noun

Huynh described the phase 3 results as clinically meaningful and likely to support regulatory approval, but said the primary efficacy result landed at the low end of investor expectations.

— Annika Kim Constantino, CNBC, 23 Oct. 2026
While that efficacy doesn’t match the performance of a rival drug from Roche, Novartis’ treatment has a cleaner safety profile that could give it a shot at being competitive in the market.

— Andrew Joseph, STAT, 23 Oct. 2026

Definition of efficacy

Noun

The idea would be to equip all parties, from payers to providers to patients, with insights into effectiveness, cost, and value.

— Dana P. Goldman, STAT, 22 Oct. 2026
Other topical treatments—such as retinoids, peptides, and vitamin C—are backed by years of research on safety and effectiveness.

— Ashley Abramson, Allure, 22 Oct. 2026