Synonyms|719Antonyms|192|Broader|15Narrower|2Related|1.4k
2
operative(adjective, active, passive, influential, functioning)
2
real
2
serviceable
2
sufficient(adjective, competent)
2
usable
2
utile
2
valid
2
valuable
2
worthwhile
1
active
1
able(adjective, competent)
1
ace
1
advantageous
1
applicable
1
availing
1
beneficial
1
deadly
1
feasible
1
kick-ass
1
meaningful
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APASmart Define. (2016). ineffectual thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ineffectual/thesaurus/antonyms
ChicagoSmart Define. 2016. "ineffectual thesaurus" https://smartdefine.org/ineffectual/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, ineffectual thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ineffectual/thesaurus/antonyms>.
MLASmart Define. "ineffectual thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/ineffectual/thesaurus/antonyms>