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1. Dictionary

   efficiency

   /ɪˈfɪʃnsi/

   noun

   • 1. the state or quality of being efficient: "greater energy efficiency" Similar organizationorderorderlinessplanningregulationlogicalitycoherenceproductivityeffectivenesscost-effectivenesscompetencecapabilityabilityproficiencyadeptnessdeftnessexpertiseprofessionalismskilfulnessskilleffectivenessproductivityorganizationOpposite inefficiencyincompetence
   • ▪ an action designed to achieve efficiency: "the reforms will lead to efficiencies and savings"
   • ▪ the ratio of the useful work performed by a machine or in a process to the total energy expended or heat taken in: "the boiler has an efficiency of 45 per cent"

   Word Origin late 16th century (in the sense ‘the fact of being an efficient cause’): from Latin efficientia, from efficere ‘accomplish’ (see effect).

   Scrabble Points: 23

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2. www.thesaurus.com › browse › efficiency50 Synonyms & Antonyms for EFFICIENCY | Thesaurus.com

   www.thesaurus.com › browse › efficiency

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   Find 50 different ways to say EFFICIENCY, along with antonyms, related words, and example sentences at Thesaurus.com.

3. www.merriam-webster.com › thesaurus › efficiencyEFFICIENCY Synonyms: 22 Similar and Opposite Words | Merriam ...

   www.merriam-webster.com › thesaurus › efficiency

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   Synonyms for EFFICIENCY: efficacy, effectiveness, efficaciousness, productiveness, ability, efficacity, effectualness, capability; Antonyms of EFFICIENCY: inefficiency, ineffectiveness, inability, incompetence, inadequacy, ineffectuality, ineffectualness, incompetency

4. www.merriam-webster.com › thesaurus › efficientEFFICIENT Synonyms: 75 Similar and Opposite Words | Merriam ...

   www.merriam-webster.com › thesaurus › efficient

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   Synonyms for EFFICIENT: effective, productive, potent, adequate, efficacious, effectual, fruitful, operative; Antonyms of EFFICIENT: inefficient, ineffective, useless, unproductive, ineffectual, incapable, fruitless, inoperative.

5. dictionary.cambridge.org › thesaurus › efficiencyEFFICIENCY - 23 Synonyms and Antonyms - Cambridge English

   dictionary.cambridge.org › thesaurus › efficiency

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   Synonyms and antonyms of efficiency in English. efficiency. noun. These are words and phrases related to efficiency. Click on any word or phrase to go to its thesaurus page. Or, go to the definition of efficiency. When it was cleaned, the engine's efficiency doubled at once. Synonyms. ability. effectiveness. productiveness. productivity.

6. www.powerthesaurus.org › efficiency › synonymsEfficiency synonyms - 1 624 Words and Phrases for Efficiency

   www.powerthesaurus.org › efficiency › synonyms

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   Another way to say Efficiency? Synonyms for Efficiency (other words and phrases for Efficiency).

7. www.powerthesaurus.org › efficiencyEFFICIENCY in Thesaurus: 1000+ Synonyms & Antonyms for EFFICIENCY

   www.powerthesaurus.org › efficiency

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   What's the definition of Efficiency in thesaurus? Most related words/phrases with sentence examples define Efficiency meaning and usage.

8. www.wordhippo.com › efficiencyWhat is another word for efficiency? | Efficiency Synonyms ...

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   Find 1,431 synonyms for efficiency and other similar words that you can use instead based on 9 separate contexts from our thesaurus.