Synonyms|116Antonyms|82|Broader|3Narrower|4Related|375
3
effectiveness
3
effectuality
3
mana
2
effectivity
2
effectualness
2
efficacy
2
skillset(noun, innocence)
1
efficaciousness
1
efficiency
1
performance(noun, failure, efficiency)
1
persuasiveness
1
potency
1
power
1
strength
0
ability
0
adeptness
0
adroitness
0
artfulness
0
artifice
0
authority
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APASmart Define. (2015). ineffectualness thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/ineffectualness/thesaurus/antonyms
ChicagoSmart Define. 2015. "ineffectualness thesaurus" https://smartdefine.org/ineffectualness/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, ineffectualness thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/ineffectualness/thesaurus/antonyms>.
MLASmart Define. "ineffectualness thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/ineffectualness/thesaurus/antonyms>