91 entries under solid topic. ×
| jelled(adjective, set, hard, tough, firm) | |
| stalwart(adjective, strong, reliable, robust) | |
| clotted(adjective, set, heavy, deep) | |
| coagulated(adjective, set, heavy, deep) | |
| cohesive(adjective, strong, hard, sturdy) | |
| congealed(adjective, set, hard, tough, firm) | |
| gelatinous(adjective, set, tough, heavy) | |
| hardy(adjective, set, strong, hard, pleasant) | |
| impenetrable(adjective, set, hard, tough, firm) | |
| jellied(adjective, set, heavy, deep) | |
| ossified(adjective, set, hard, firm) | |
| secure(adjective, close, strong, firm) | |
| thickened(adjective, set, hard, firm) | |
| unbreakable(adjective, strong, hard, severe, firm) | |
| caked(adjective, set, heavy, deep) | |
| clabbered(adjective, set, heavy, deep) | |
| close-grained(hard, tough, rigid, inflexible) | |
| consolidated(adjective, set, hard, firm) | |
| crowded(adjective, close, set, firm) | |
| curdled(adjective, set, heavy, deep) |
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| APA | Smart Define. (2015). stiff thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/stiff/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stiff thesaurus" https://smartdefine.org/stiff/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, stiff thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/stiff/thesaurus/synonyms>. |
| MLA | Smart Define. "stiff thesaurus" 24 December 2015. Web. 22 September 2026. <https://smartdefine.org/stiff/thesaurus/synonyms> |