Synonyms|165Antonyms|58|Broader|3Narrower|3Related|220

1 entry under efficiency topic. ×

4
efficacy(noun, productiveness)
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APASmart Define. (2015). inefficacy thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/inefficacy/thesaurus/antonyms
ChicagoSmart Define. 2015. "inefficacy thesaurus" https://smartdefine.org/inefficacy/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, inefficacy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/inefficacy/thesaurus/antonyms>.
MLASmart Define. "inefficacy thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/inefficacy/thesaurus/antonyms>