| proportional | |
| rock(adjective, strong, hard, substantial, sturdy) | |
| rocklike(adjective, strong, hard, substantial, sturdy) | |
| rooted(adjective, strong, hard, substantial, sturdy) | |
| set(adjective, strong, hard, substantial, sturdy) | |
| solid(adjective, hard, compact, dense, rock-hard) | |
| sound(adjective, strong, hard, substantial, sturdy) | |
| space | |
| space-time | |
| spherical | |
| stereoscopic | |
| strong(adjective, hard, substantial, sturdy, compact) | |
| substantial(adjective, strong, hard, compact, tight) | |
| superficial | |
| surface | |
| three-dimensional | |
| unshakable(adjective, strong, hard, substantial, sturdy) | |
| ample | |
| capacious | |
| close(adjective, strong, hard, substantial, compact) |
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| APA | Smart Define. (2015). dimensional thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/dimensional/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "dimensional thesaurus" https://smartdefine.org/dimensional/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, dimensional thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/dimensional/thesaurus/synonyms>. |
| MLA | Smart Define. "dimensional thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/dimensional/thesaurus/synonyms> |