65 entries under inflexible topic. ×
| graceless(adjective, hard, firm, solid, stiff) | |
| hardened(adjective, hard, tough, firm, solid) | |
| immalleable(adjective, hard, firm, solid, stiff) | |
| impliable(adjective, hard, firm, solid, stiff) | |
| incompliant(adjective, hard, firm, solid, stiff) | |
| indurate(adjective, hard, firm, solid, stiff) | |
| inelastic(adjective, set, hard, tough, firm) | |
| iron(adjective, strong, hard, tough, firm) | |
| mechanical(adjective, hard, firm, solid, stiff) | |
| numbed(adjective, hard, firm, solid, stiff) | |
| ossified(adjective, hard, firm, solid, stiff) | |
| petrified(adjective, hard, firm, solid, stiff) | |
| refractory(adjective, set, hard, tough, firm) | |
| resistant(adjective, hard, firm, solid, stiff) | |
| rheumatic(adjective, hard, firm, solid, stiff) | |
| starched(adjective, hard, firm, solid, stiff) | |
| stark(adjective, hard, firm, solid, stiff) | |
| steely(adjective, strong, hard, tough, firm) | |
| stiff as a board(expression, adjective, idiom, hard, firm) | |
| stony(adjective, hard, firm, solid, stiff) |
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| APA | Smart Define. (2016). thick thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/thick/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "thick thesaurus" https://smartdefine.org/thick/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, thick thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/thick/thesaurus/synonyms>. |
| MLA | Smart Define. "thick thesaurus" 26 February 2016. Web. 29 September 2026. <https://smartdefine.org/thick/thesaurus/synonyms> |