10 entries under ineffectual topic. ×

2
null(adjective, void, unsound, puny, meaningless)
2
void(adjective, unsound, ineffective, meaningless)
1
bad(adjective, void, unsound, ineffective, meaningless)
1
ineffective(adjective, void, unsound, invalid)
1
inoperative(adjective, void, unsound, ineffective)
1
invalid(adjective, wrong, void, unsound, meaningless)
1
null and void(expression, adjective, idiom, unsound, ineffective)
1
useless(adjective, void, unsound, ineffective)
1
vain(adjective, void, unsound, ineffective)
1
worthless(adjective, void, unsound, puny, ineffective)
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APASmart Define. (2015). unsanctioned thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unsanctioned/thesaurus/synonyms
ChicagoSmart Define. 2015. "unsanctioned thesaurus" https://smartdefine.org/unsanctioned/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unsanctioned thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unsanctioned/thesaurus/synonyms>.
MLASmart Define. "unsanctioned thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/unsanctioned/thesaurus/synonyms>