Inefficacy Thesaurus / Antonyms

22	exercitation
14	helpfulness
4	efficacy(noun, efficiency, productiveness)
3	efficaciousness
3	mana
2	skillset(noun, innocence)
1	capability
1	efficiency
1	force
1	functionality
1	potency
1	power
0	ability
0	adeptness
0	adroitness
0	artfulness
0	artifice
0	capableness
0	capacity
0	cleverness

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APA	Smart Define. (2015). inefficacy thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/inefficacy/thesaurus/antonyms
Chicago	Smart Define. 2015. "inefficacy thesaurus" https://smartdefine.org/inefficacy/thesaurus/antonyms (accessed September 26, 2026).
Harvard	Smart Define 2015, inefficacy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/inefficacy/thesaurus/antonyms>.
MLA	Smart Define. "inefficacy thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/inefficacy/thesaurus/antonyms>

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