110 entries under rigid topic. ×
| graceless(adjective, hard, firm, stiff, tense) | |
| immalleable(adjective, hard, firm, stiff, tense) | |
| immotile(secure, steady, fixed, impassive) | |
| impervious(adjective, set, hard, tough, heavy) | |
| impliable(adjective, hard, firm, stiff, tense) | |
| incompliant(adjective, hard, firm, stiff, tense) | |
| indurate(adjective, set, hard, firm, stiff) | |
| located(adjective, secure, firm, steady, stiff) | |
| mechanical(adjective, hard, firm, stiff, tense) | |
| numbed(adjective, hard, firm, stiff, tense) | |
| refractory(adjective, hard, tough, firm, tense) | |
| rheumatic(adjective, hard, firm, stiff, tense) | |
| situated(adjective, secure, firm, steady, stiff) | |
| starched(adjective, hard, firm, stiff, tense) | |
| starchy(adjective, hard, firm, sober, serious) | |
| stark(adjective, strong, hard, sound, tough) | |
| stern | |
| stiff as a board(expression, adjective, idiom, hard, firm) | |
| uncompromising | |
| unflexible(adjective, hard, firm, stiff, 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> |