- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
140 entries under thin topic. ×
| puny(adjective, strong, light, weak, soft) | |
| implausible(adjective, extraordinary, strange, unreasonable) | |
| spectral(adjective, dull, light, soft, poor) | |
| trivial(adjective, light, weak, soft, slight) | |
| unconvincing(adjective, extraordinary, strange, unreasonable) | |
| poor(adjective, dull, light, weak, soft) | |
| trifling(adjective, light, weak, soft, slight) | |
| improbable(adjective, extraordinary, strange, unreasonable) | |
| inadequate(adjective, dull, light, weak, soft) | |
| inconceivable(adjective, extraordinary, belief, unreasonable) | |
| sleazy(adjective, weak, slight, feeble) | |
| weightless(adjective, light, slight, easy) | |
| dainty(adjective, light, weak, slight, easy) | |
| faint(adjective, dull, light, weak, soft) | |
| gossamery(adjective, light, slight, easy) | |
| inconsequential(adjective, light, weak, soft, slight) | |
| rarefied(adjective, fine, delicate, slim) | |
| thick(adjective, extraordinary, unreasonable, amazing) | |
| petty(adjective, light, weak, slight, easy) | |
| rare(adjective, fine, extraordinary, strange) |
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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> |