- Definitions|2
- Thesaurus|2.4k
- Abbreviations|0
130 entries under slight topic. ×
| aerial(adjective, light, weak, fake) | |
| fine(adjective, light, delicate, flimsy) | |
| fluffy(adjective, light, easy, thin) | |
| imponderable(adjective, light, weak, negative) | |
| sleazy(adjective, weak, thin, feeble) | |
| subtle(small, miserable, inadequate, limited) | |
| weightless(adjective, light, easy, thin) | |
| fly-by-night(adjective, light, weak, short) | |
| idle(adjective, light, weak, trivial) | |
| inconsiderable(adjective, weak, poor, low) | |
| scant(adjective, mean, flat, poor) | |
| shallow(adjective, weak, thin, feeble) | |
| dainty(adjective, light, weak, easy) | |
| feathery(adjective, light, easy, thin) | |
| frothy(adjective, light, easy, thin) | |
| hollow(adjective, value, insignificant, unimportant) | |
| insufficient(adjective, weak, flat, poor) | |
| little(adjective, light, easy, thin) | |
| papery(adjective, weak, thin, delicate) | |
| piddling(adjective, small, unimportant, trivial) |
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| APA | Smart Define. (2016). insubstantial thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/insubstantial/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "insubstantial thesaurus" https://smartdefine.org/insubstantial/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, insubstantial thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/insubstantial/thesaurus/synonyms>. |
| MLA | Smart Define. "insubstantial thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/insubstantial/thesaurus/synonyms> |