- Definitions|2
- Thesaurus|5k
- Abbreviations|0
85 entries under hard topic. ×
| strong(adjective, calm, good, strong) | |
| firm(noun, adjective, calm, close, strong) | |
| sound(noun, adjective, calm, strong) | |
| stable(adjective, strong, sound, complete) | |
| solid(adjective, calm, good, close, strong) | |
| material(noun, adjective, body, solid) | |
| sturdy(adjective, calm, strong, sound) | |
| concrete(adjective, body, tough, solid) | |
| rock-solid(adjective, strain, firmness, compact) | |
| physical(adjective, body, solid, material) | |
| tight(adjective, close, strong, strain) | |
| unyielding(adjective, strong, sound, tough) | |
| massive(adjective, great, big, heavy) | |
| hefty(adjective, strong, great, tough) | |
| tough(adjective, calm, strong, solid) | |
| heavy(adjective, give, strong, great) | |
| dense(adjective, set, strong, tough) | |
| secure(adjective, calm, quiet, strong) | |
| thick(adjective, close, set, strong) | |
| burly(adjective, strong, fit, solid) |
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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> |