Synonyms of efficiency

efficiency

noun

i-ˈfi-shən-sē 

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

• efficacy
• effectiveness
• efficaciousness
• productiveness
• ability
• efficacity
• effectualness
• capability
• edge
• capacity
• strength
• potency
• puissance

Antonyms & Near Antonyms

• inefficiency
• ineffectiveness
• inability
• incompetence
• inadequacy
• ineffectuality
• ineffectualness
• incompetency
• inadequateness

Example Sentences

Recent Examples of efficiency

Part of that has to do with the efficiency of the setup, which zips through Alex’s plan with a speed that leaves little room for deeper consideration. —Lovia Gyarkye, HollywoodReporter, 3 Apr. 2025

There’s a misconception that becoming a low-cost leader in an industry can be achieved by implementing one-off programs aimed at efficiency improvement and waste reduction. —Thomas Hout, Harvard Business Review, 3 Apr. 2025

So, in essence, all the extraneous information not required by the model is eliminated, allowing continuous computation of trajectories through the mental model space (either real or imagined) with unparalleled efficiency. —Jason D. Greenblatt, MSNBC Newsweek, 2 Apr. 2025

Being able to recover more energy under braking obviously helps efficiency, but there's also new battery chemistry with a different ratio of nickel:manganese:cobalt from before, plus a lot of work on the 800 V battery pack's cooling system. —ArsTechnica, 2 Apr. 2025