- Definitions|2
- Thesaurus|5k
- Abbreviations|0
85 entries under hard topic. ×
| close(adjective, set, strong, tough) | |
| compact(adjective, close, set, strong) | |
| husky(adjective, strong, great, solid) | |
| thickset(adjective, solid, heavy, deep) | |
| unshakable(adjective, strong, continue, solid) | |
| wide(adjective, great, big, deep) | |
| high(adjective, heavy, awkward, deep) | |
| impenetrable(adjective, close, set, strong) | |
| impermeable(adjective, close, set, tough) | |
| nonporous(solid, rigid, density) | |
| broad(adjective, great, big, deep) | |
| deep(adjective, intense, enthusiastic, vigorous) | |
| fixed(adjective, strong, sound, tough) | |
| set(adjective, calm, strong, secure) | |
| compacted(adjective, strong, compact, tight) | |
| compressed(adjective, close, set, strong) | |
| concentrated(adjective, set, strong, tough) | |
| condensed(solid, heavy, rigid, thick) | |
| consolidated(adjective, close, strong, solid) | |
| fat(adjective, great, big, heavy) |
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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> |