7
fitness(noun, order, benefit, ability, skill)
7
power(noun, activity, action, go, work)
7
productiveness(noun, yield, ability, competence, effectiveness)
6
aptitude(noun, craft, power, strength, ability)
6
performance(noun, influence, use, effect, success)
6
preparedness
6
prowess(noun, craft, skill, mastery, proficiency)
6
qualification(noun, craft, force, power, strength)
6
readiness(noun, power, strength, ease, ability)
5
utility(noun, order, benefit, advantage, suitability)
5
address(noun, ability, capacity, talent, competence)
5
effectualness(noun, affect, competence, efficacy, effectiveness)
5
efficaciousness(noun, affect)
5
energy(noun, activity, go, force, drive)
5
experience(noun, craft, ability, skill, mastery)
5
faculty(noun, power, strength, ability, thing)
5
functionality(practicality, usefulness, helpfulness)
5
mastery(noun, craft, force, power, strength)
5
sufficiency(noun, craft, skill, mastery, proficiency)
5
thoroughness(noun, correctness, precision, competence, efficacy)
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APASmart Define. (2016). efficiency thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/efficiency/thesaurus/synonyms
ChicagoSmart Define. 2016. "efficiency thesaurus" https://smartdefine.org/efficiency/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, efficiency thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/efficiency/thesaurus/synonyms>.
MLASmart Define. "efficiency thesaurus" 25 February 2016. Web. 20 September 2026. <https://smartdefine.org/efficiency/thesaurus/synonyms>