- Definitions|2
- Thesaurus|5k
- Abbreviations|0
575 entries under adjective topic. ×
| fast(calm, strong, secure, tough) | |
| weighty(good, strong, sound, right) | |
| robust(strong, sound, complete, tough) | |
| affluent(easy, rich, large, robust) | |
| consequential(importance, big, heavy, important) | |
| great(importance, valuable, main, notable) | |
| steadfast(calm, strong, secure, strain) | |
| sturdy(calm, strong, hard, sound) | |
| enduring(calm, strong, sound, secure) | |
| important(strong, importance, big, heavy) | |
| lasting(strain, firmness, labour, hardiness) | |
| tangible(body, solid, physical, material) | |
| well-established(strain, firmness, labour, hardiness) | |
| concrete(body, hard, tough, solid) | |
| constant(calm, strong, secure, tough) | |
| impregnable(strain, firmness, labour, hardiness) | |
| permanent(strain, firmness, labour, hardiness) | |
| refractory(strain, firmness, labour, hardiness) | |
| rock-solid(hard, strain, firmness, compact) | |
| actual(solid, physical, material, real) |
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| APA | Smart Define. (2016). substantial thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/substantial/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "substantial thesaurus" https://smartdefine.org/substantial/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, substantial thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/substantial/thesaurus/synonyms>. |
| MLA | Smart Define. "substantial thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/substantial/thesaurus/synonyms> |