- Definitions|2
- Thesaurus|2.4k
- Abbreviations|0
130 entries under slight topic. ×
| unsubstantial(adjective, dull, body, strong, light) | |
| flimsy(adjective, strong, light, weak) | |
| feeble(adjective, dull, strong, light, weak) | |
| frail(adjective, strong, light, weak) | |
| thin(adjective, dull, mean, light, weak) | |
| weak(adjective, dull, strong, light, soft) | |
| fragile(adjective, strong, light, weak) | |
| immaterial(adjective, body, light, weak) | |
| intangible(adjective, light, weak, fake) | |
| tenuous(adjective, strong, light, weak) | |
| airy(adjective, light, weak, easy) | |
| trivial(adjective, light, easy, thin) | |
| lightweight(adjective, light, easy, thin) | |
| poor(adjective, dull, mean, light, weak) | |
| ethereal(adjective, light, easy, thin) | |
| decrepit(adjective, strong, light, weak) | |
| delicate(adjective, strong, light, weak) | |
| ephemeral(adjective, light, weak, short) | |
| light(adjective, weak, soft, thin) | |
| unsound(adjective, strong, light, weak) |
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| APA | Smart Define. (2016). insubstantial thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/insubstantial/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "insubstantial thesaurus" https://smartdefine.org/insubstantial/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, insubstantial thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/insubstantial/thesaurus/synonyms>. |
| MLA | Smart Define. "insubstantial thesaurus" 30 March 2016. Web. 26 September 2026. <https://smartdefine.org/insubstantial/thesaurus/synonyms> |