- Definitions|2
- Thesaurus|4.5k
- Abbreviations|0
554 entries under adjective topic. ×
| faulty(bad, wrong, fake, poor) | |
| weak(strong, light, slight, poor) | |
| invalid(bad, weak, correct, wrong) | |
| unstable(characteristic, quality, finance, banking) | |
| infirm(strong, light, weak, slight) | |
| unhealthy(weak, severe, disease, poor) | |
| defective(bad, wrong, thin, false) | |
| false(bad, light, weak, correct) | |
| unreliable(dangerous, characteristic, quality, finance) | |
| fallacious(bad, correct, wrong, fake) | |
| wrong(bad, correct, fake, false) | |
| frail(strong, light, weak, slight) | |
| illogical(correct, wrong, false, silly) | |
| shaky(weak, slight, thin, delicate) | |
| risky(dangerous, characteristic, quality, finance) | |
| erroneous(bad, correct, wrong, fake) | |
| feeble(strong, light, weak, slight) | |
| flawed(wrong, false, well, incorrect) | |
| fragile(strong, light, weak, slight) | |
| ill(weak, delicate, sick, feeble) |
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| APA | Smart Define. (2015). unsound thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unsound/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unsound thesaurus" https://smartdefine.org/unsound/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, unsound thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unsound/thesaurus/synonyms>. |
| MLA | Smart Define. "unsound thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/unsound/thesaurus/synonyms> |