- Definitions|2
- Thesaurus|2.4k
- Abbreviations|0
122 entries under light topic. ×
| unsubstantial(adjective, dull, body, strong) | |
| flimsy(adjective, strong, weak, slight) | |
| feeble(adjective, dull, strong, weak) | |
| slight(adjective, mean, weak, easy) | |
| frail(adjective, strong, weak, slight) | |
| thin(adjective, dull, mean, weak) | |
| weak(adjective, dull, strong, soft) | |
| fragile(adjective, strong, weak, slight) | |
| immaterial(adjective, body, weak, slight) | |
| intangible(adjective, weak, slight, fake) | |
| tenuous(adjective, strong, weak, slight) | |
| airy(adjective, weak, slight, easy) | |
| trivial(adjective, slight, easy, thin) | |
| lightweight(adjective, slight, easy, thin) | |
| poor(adjective, dull, mean, weak) | |
| incorporeal(adjective, body, weak, abstract) | |
| ethereal(adjective, slight, easy, thin) | |
| decrepit(adjective, strong, weak, slight) | |
| delicate(adjective, strong, weak, slight) | |
| ephemeral(adjective, weak, slight, short) |
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| APA | Smart Define. (2016). insubstantial thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/insubstantial/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "insubstantial thesaurus" https://smartdefine.org/insubstantial/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, insubstantial thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/insubstantial/thesaurus/synonyms>. |
| MLA | Smart Define. "insubstantial thesaurus" 30 March 2016. Web. 25 September 2026. <https://smartdefine.org/insubstantial/thesaurus/synonyms> |