128 entries under hard topic. ×
| thick(adjective, characteristic, person, dull, body) | |
| compact(adjective, characteristic, set, tough) | |
| solid(adjective, characteristic, person, set, body) | |
| heavy(adjective, person, dull, set, body) | |
| firm(noun, adjective, set, strong) | |
| impenetrable(adjective, characteristic, set, tough) | |
| close(adjective, set, tough, firm) | |
| compressed(adjective, set, tough, firm) | |
| condensed(adjective, set, tough, solid) | |
| tight(adjective, close, strong, firm) | |
| stiff(adjective, set, strong, tough) | |
| substantial(adjective, set, strong, tough) | |
| concentrated(adjective, set, strong, tough) | |
| concrete(adjective, set, tough, solid) | |
| rigid(adjective, set, strong, tough) | |
| tough(adjective, person, set, body, strong) | |
| unyielding(adjective, set, strong, tough) | |
| impermeable(adjective, set, tough, firm) | |
| set(verb, adjective, strong, tough) | |
| sound(adjective, strong, substantial, compact) |
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| APA | Smart Define. (2015). dense thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/dense/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "dense thesaurus" https://smartdefine.org/dense/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, dense thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/dense/thesaurus/synonyms>. |
| MLA | Smart Define. "dense thesaurus" 17 July 2015. Web. 22 September 2026. <https://smartdefine.org/dense/thesaurus/synonyms> |