233 entries under solid topic. ×
| gelatinous(adjective, heavy, deep, stiff) | |
| gloppy(adjective, heavy, deep, stiff) | |
| graceless(adjective, hard, firm, stiff) | |
| gummous(adjective, heavy, deep, stiff) | |
| gunky(adjective, heavy, deep, stiff) | |
| immalleable(adjective, hard, firm, stiff) | |
| impenetrable(adjective, hard, tough, firm) | |
| impervious(adjective, hard, tough, heavy) | |
| impliable(adjective, hard, firm, stiff) | |
| incompliant(adjective, hard, firm, stiff) | |
| insured(adjective, certain, sure, confident) | |
| intense(adjective, firm, deep, steady) | |
| jellied(verb, adjective, heavy, deep) | |
| made certain(expression, adjective, certain, sure) | |
| mechanical(adjective, hard, firm, ordinary) | |
| never-failing(adjective, strong, flat, firm) | |
| nonporous(hard, tough, rigid, inflexible) | |
| numbed(adjective, hard, firm, stiff) | |
| opaque(adjective, heavy, deep, stiff) | |
| perdurable(calm, strong, steady, substantial) |
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| APA | Smart Define. (2016). set thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/set/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "set thesaurus" https://smartdefine.org/set/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, set thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/set/thesaurus/synonyms>. |
| MLA | Smart Define. "set thesaurus" 1 March 2016. Web. 21 September 2026. <https://smartdefine.org/set/thesaurus/synonyms> |