Synonyms|719Antonyms|192|Broader|15Narrower|2Related|1.4k

3 entries under influential topic. ×

5
effectual(adjective, competent, authoritative)
2
operative(adjective, active, passive, functioning)
0
persuasive(adjective, effective)
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APASmart Define. (2016). ineffectual thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/ineffectual/thesaurus/antonyms
ChicagoSmart Define. 2016. "ineffectual thesaurus" https://smartdefine.org/ineffectual/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2016, ineffectual thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/ineffectual/thesaurus/antonyms>.
MLASmart Define. "ineffectual thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/ineffectual/thesaurus/antonyms>