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Showing results for efficiency. Search instead for efficienc.
Definitions

efficiency

[ih-fish-uhn-see] / ɪˈfɪʃ ən si /
NOUN
adeptness, effectiveness
Synonyms
STRONGEST
ability adaptability capability competence energy expertise performance productivity readiness skill talent
STRONG
abundance address adequacy capableness competency completeness economy effectualness efficacy facility faculty know-how potency power powerfulness productiveness proficiency prowess quantity resourcefulness response skillfulness suitability suitableness thoroughness
Antonyms
STRONGEST
idleness ignorance impotence inability inadequacy incapability incapacity incompetence ineptness weakness
STRONG
inefficiency lack
WEAK
helplessness ineffectiveness

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Supporters said the bill would enhance government efficiency as it would elevate the level of representation whenever an official is required to stand in for the president.

From BBC • Apr. 4, 2026

Texas, which is fifth in the nation in offensive efficiency, shot just 25% during the first half.

From Los Angeles Times • Apr. 4, 2026

Financial innovation has long been celebrated as a catalyst for efficiency, inclusion, and growth.

From Barron's • Apr. 3, 2026

They embraced push-button elevators for their speed and efficiency, not to mention as a way of avoiding rising labor costs.

From The Wall Street Journal • Apr. 2, 2026

As of noon yesterday, the northernmost logger showed 12.3 percent efficiency loss, the middle one had a 9.5 percent loss, and the rover recorded a 6.4 percent loss at its southernmost location.

From "The Martian" by Andy Weir

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.