52 entries under inadequate topic. ×
| faulty(adjective, feature, state, bad, wrong) | |
| unsound(adjective, bad, weak, correct, wrong) | |
| fallacious(adjective, correct, wrong, fake, false) | |
| wrong(adjective, bad, fake, false, counterfeit) | |
| false(adjective, correct, wrong, fake, counterfeit) | |
| erroneous(adjective, wrong, fake, false, counterfeit) | |
| bad(adjective, bad, false, ill) | |
| flawed(adjective, weak, wrong, false) | |
| ineffective(adjective, poor, useless, void) | |
| weak(adjective, mean, bad, poor, delicate) | |
| unconvincing(adjective, poor, ineffective, ineffectual) | |
| inconclusive(adjective, poor, false, unreasonable) | |
| impotent(adjective, weak, poor, feeble) | |
| incompetent(adjective, poor, useless, unfit) | |
| ineffectual(adjective, poor, unsound, trifling) | |
| handicapped(adjective, poor, ineffective, ineffectual) | |
| implausible(adjective, poor, false, unreasonable) | |
| poor(adjective, bad, ineffective, ineffectual) | |
| unsatisfactory(adjective, bad, poor, ineffective) | |
| lame(adjective, poor, false, insufficient) |
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| APA | Smart Define. (2016). invalid thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/invalid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "invalid thesaurus" https://smartdefine.org/invalid/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, invalid thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/invalid/thesaurus/synonyms>. |
| MLA | Smart Define. "invalid thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/invalid/thesaurus/synonyms> |