138 entries under stiff topic. ×
| curdled(adjective, set, heavy, deep) | |
| gloppy(adjective, set, heavy, deep) | |
| graceless(adjective, hard, firm, tense) | |
| gummous(adjective, set, heavy, deep) | |
| gunky(adjective, set, heavy, deep) | |
| hidebound(adjective, close, strong, firm) | |
| immalleable(adjective, hard, firm, tense) | |
| impervious(adjective, set, hard, tough, heavy) | |
| impliable(adjective, hard, firm, tense) | |
| incompliant(adjective, hard, firm, tense) | |
| indurate(adjective, set, hard, firm) | |
| located(adjective, secure, firm, steady) | |
| mechanical(adjective, hard, firm, tense) | |
| narrow(adjective, close, strong, firm, short) | |
| numbed(adjective, hard, firm, tense) | |
| powerhouse(adjective, strong, tough, fit, healthy) | |
| rheumatic(adjective, hard, firm, tense) | |
| single-minded(adjective, firm, steady, stable, fixed) | |
| situated(adjective, secure, firm, steady) | |
| starched(adjective, hard, firm, tense) |
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| APA | Smart Define. (2016). solid thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/solid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "solid thesaurus" https://smartdefine.org/solid/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, solid thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/solid/thesaurus/synonyms>. |
| MLA | Smart Define. "solid thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/solid/thesaurus/synonyms> |