52 entries under ineffectual topic. ×
| unreal(adjective, wrong, fake, false, counterfeit) | |
| worthless(adjective, useless, unsound, unfit, trifling) | |
| deficient(adjective, poor, false, inadequate, insufficient) | |
| green(adjective, mean, bad, weak, poor) | |
| hollow(adjective, fake, poor, false, counterfeit) | |
| incomplete(adjective, poor, false, inadequate, insufficient) | |
| unsanctioned(adjective, wrong, void, unsound, meaningless) | |
| flabby(adjective, weak, poor, inadequate, unhealthy) | |
| immature(adjective, poor, inadequate, ineffective) | |
| improbable(adjective, poor, inadequate, ineffective) | |
| inconceivable(adjective, poor, inadequate, ineffective) | |
| incredible(adjective, poor, inadequate, ineffective) | |
| inept(adjective, poor, inadequate, ineffective) | |
| lacking(adjective, poor, inadequate, ineffective) | |
| limited(adjective, poor, inadequate, ineffective) | |
| pathetic(adjective, poor, inadequate, ineffective) | |
| raw(adjective, poor, inadequate, ineffective) | |
| shallow(adjective, poor, inadequate, ineffective) | |
| slight(adjective, poor, inadequate, ineffective) | |
| slim(adjective, poor, inadequate, ineffective) |
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| APA | Smart Define. (2016). invalid thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/invalid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "invalid thesaurus" https://smartdefine.org/invalid/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, invalid thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/invalid/thesaurus/synonyms>. |
| MLA | Smart Define. "invalid thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/invalid/thesaurus/synonyms> |