121 entries under solid topic. ×
| stiff(adjective, feature, state, characteristic, strong) | |
| firm(noun, adjective, feature, state, characteristic) | |
| inflexible(adjective, mean, strong, hard, tough) | |
| unyielding(adjective, mean, strong, hard, tough) | |
| hard(adjective, feature, state, characteristic, mean) | |
| set(verb, adjective, hard, secure, tough) | |
| severe(adjective, strong, hard, tough, correct) | |
| strict(adjective, good, strong, hard, tough) | |
| rigorous(adjective, strong, hard, tough, correct) | |
| refractory(adjective, hard, tough, strain, firm) | |
| tough(adjective, mean, strong, hard, easy) | |
| inelastic(adjective, hard, tough, severe, firm) | |
| exact(adjective, correct, severe, proper) | |
| precise(adjective, hard, correct, severe, rough) | |
| meticulous(adjective, hard, correct, severe, rough) | |
| steely(adjective, strong, hard, tough, firm) | |
| tense(adjective, hard, firm, stiff) | |
| scrupulous(adjective, good, hard, complete, tough) | |
| careful(adjective, close, correct, harsh) | |
| close(adjective, hard, tough, correct, severe) |
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| APA | Smart Define. (2015). rigid thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/rigid/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "rigid thesaurus" https://smartdefine.org/rigid/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, rigid thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/rigid/thesaurus/synonyms>. |
| MLA | Smart Define. "rigid thesaurus" 3 August 2015. Web. 21 September 2026. <https://smartdefine.org/rigid/thesaurus/synonyms> |