65 entries under unfit topic. ×
| faulty(adjective, feature, state, bad, wrong) | |
| disabled(adjective, feature, state, condition, situation) | |
| unsound(adjective, bad, weak, correct, wrong) | |
| bad(adjective, bad, false, ill, inadequate) | |
| sickly(adjective, weak, ill, sick, feeble) | |
| ineffective(adjective, poor, inadequate, useless, void) | |
| untenable(adjective, useless, reasoning) | |
| weak(adjective, mean, bad, poor, delicate) | |
| inadequate(adjective, bad, poor, false, useless) | |
| improper(adjective, wrong, fake, counterfeit, dishonest) | |
| incompetent(adjective, poor, inadequate, useless) | |
| run-down(adjective, sick, unhealthy, infirm) | |
| unusable(adjective, useless, inapplicable) | |
| ill-suited(adjective, bad, useless) | |
| impracticable(adjective, useless, inapplicable) | |
| inadaptable(adjective, useless, inapplicable) | |
| inapplicable(adjective, useless) | |
| incapacitated(adjective, useless) | |
| unwell(adjective, mean, weak, sick, green) | |
| enervated(unhealthy, flabby, senescent, irresilient) |
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| APA | Smart Define. (2016). invalid thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/invalid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "invalid thesaurus" https://smartdefine.org/invalid/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, invalid thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/invalid/thesaurus/synonyms>. |
| MLA | Smart Define. "invalid thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/invalid/thesaurus/synonyms> |