- Definitions|2
- Thesaurus|5k
- Abbreviations|0
575 entries under adjective topic. ×
| essential(physical, importance, material, big) | |
| invariable(strain, firmness, labour, hardiness) | |
| physical(body, hard, solid, material) | |
| real(solid, physical, material, enthusiastic) | |
| resilient(strain, firmness, labour, hardiness) | |
| resistant(strain, firmness, labour, hardiness) | |
| serious(importance, big, heavy, important) | |
| sizeable(significant, large) | |
| stabile(calm, strong, secure, strain) | |
| stationary(strain, firmness, labour, hardiness) | |
| tenable(strain, firmness, labour, hardiness) | |
| tight(close, strong, hard, strain) | |
| unalterable(strain, firmness, labour, hardiness) | |
| unyielding(strong, hard, sound, tough) | |
| well-balanced(strain, firmness, labour, hardiness) | |
| long-standing(strain, firmness, labour, hardiness) | |
| momentous(strong, importance, big, heavy) | |
| rigid(strain, firmness, labour, hardiness) | |
| substantive(material, certain, real, genuine) | |
| generous(good, give, great, fair) |
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| APA | Smart Define. (2016). substantial thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/substantial/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "substantial thesaurus" https://smartdefine.org/substantial/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, substantial thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/substantial/thesaurus/synonyms>. |
| MLA | Smart Define. "substantial thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/substantial/thesaurus/synonyms> |