- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
113 entries under light topic. ×
| insubstantial(adjective, dull, body, strong) | |
| flimsy(adjective, strong, weak, great) | |
| weak(adjective, dull, strong, great) | |
| fragile(adjective, strong, weak, slight) | |
| frail(adjective, strong, weak, slight) | |
| thin(adjective, dull, weak, great) | |
| feeble(adjective, dull, strong, weak) | |
| imaginary(adjective, gentle, substance, strange) | |
| immaterial(adjective, form, body, weak) | |
| lightweight(adjective, slight, easy, thin) | |
| slight(adjective, weak, soft, easy) | |
| ethereal(adjective, slight, easy, thin) | |
| unsound(adjective, bad, strong, weak) | |
| decrepit(adjective, strong, weak, slight) | |
| delicate(adjective, strong, weak, slight) | |
| illusory(adjective, weak, slight, strange) | |
| incorporeal(adjective, body, abstract, heavenly) | |
| infirm(adjective, strong, weak, slight) | |
| airy(adjective, weak, slight, easy) | |
| tenuous(adjective, strong, weak, slight) |
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| APA | Smart Define. (2016). unsubstantial thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unsubstantial/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unsubstantial thesaurus" https://smartdefine.org/unsubstantial/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, unsubstantial thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unsubstantial/thesaurus/synonyms>. |
| MLA | Smart Define. "unsubstantial thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/unsubstantial/thesaurus/synonyms> |