- Definitions|2
- Thesaurus|5k
- Abbreviations|0
66 entries under adjective topic. ×
| meager(poor, small, inadequate, plentiful) | |
| metaphysical(physical, obvious, presence) | |
| minute | |
| trivial | |
| worthless | |
| filmy(fragile, finespun) | |
| fine | |
| futile | |
| inconsequential | |
| infinitesimal | |
| marginal | |
| meaningless(reasonable, meaningful) | |
| null | |
| pointless | |
| puny | |
| slight | |
| tenuous(weak, thin) | |
| unreal | |
| unsubstantial | |
| exiguous |
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| APA | Smart Define. (2016). substantial thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/substantial/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "substantial thesaurus" https://smartdefine.org/substantial/thesaurus/antonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, substantial thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/substantial/thesaurus/antonyms>. |
| MLA | Smart Define. "substantial thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/substantial/thesaurus/antonyms> |