Synonyms|428Antonyms|78|Broader|9Narrower|13Related|102

65 entries under efficiency topic. ×

3
vigor(noun, force, drive, power, strength)
2
activity(noun, go, drive, power, strength)
2
adequacy(noun, performance, force, power, strength)
2
cogency(noun, power, strength, energy, influence)
1
application(noun, activity, go, drive, power)
1
ardor(noun, activity, go, drive, power)
1
birr(noun, activity, go, force, drive)
1
capableness(noun, performance, energy, skill, worth)
1
clout(noun, force, drive, power, strength)
1
dash(noun, activity, go, drive, power)
1
drive(noun, activity, go, power, strength)
1
endurance(noun, activity, go, drive, power)
1
enterprise(noun, activity, go, drive, power)
1
exertion(noun, activity, go, drive, power)
1
fire(noun, activity, go, drive, power)
1
forcefulness(noun, activity, go, force, drive)
1
fortitude(noun, activity, go, drive, power)
1
get-up-and-go(noun, go, force, drive, power)
1
go(noun, activity, force, drive, power)
1
hardihood(noun, activity, go, force, drive)
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APASmart Define. (2015). efficacy thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/efficacy/thesaurus/synonyms
ChicagoSmart Define. 2015. "efficacy thesaurus" https://smartdefine.org/efficacy/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, efficacy thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/efficacy/thesaurus/synonyms>.
MLASmart Define. "efficacy thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/efficacy/thesaurus/synonyms>