- Definitions|2
- Thesaurus|4.5k
- Abbreviations|0
158 entries under weak topic. ×
| invalid(adjective, bad, correct, wrong) | |
| unstable(adjective, characteristic, quality, finance, banking) | |
| infirm(adjective, strong, light, slight) | |
| unhealthy(adjective, severe, disease, poor) | |
| false(adjective, bad, light, correct) | |
| frail(adjective, strong, light, slight) | |
| shaky(adjective, slight, thin, delicate) | |
| feeble(adjective, strong, light, slight) | |
| fragile(adjective, strong, light, slight) | |
| ill(adjective, delicate, sick, feeble) | |
| insubstantial(adjective, strong, light, slight) | |
| unsteady(adjective, uncertain, unstable, ill) | |
| unsubstantial(adjective, bad, strong, light) | |
| ailing(adjective, delicate, dark, gloomy) | |
| delicate(adjective, strong, slight, thin) | |
| flimsy(adjective, strong, light, slight) | |
| sick(adjective, poor, false, inferior) | |
| decrepit(adjective, strong, light, slight) | |
| sickly(adjective, disease, delicate, dark) | |
| insecure(adjective, delicate, uncertain, sensitive) |
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| APA | Smart Define. (2015). unsound thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unsound/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unsound thesaurus" https://smartdefine.org/unsound/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, unsound thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unsound/thesaurus/synonyms>. |
| MLA | Smart Define. "unsound thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/unsound/thesaurus/synonyms> |