143 entries under inflexible topic. ×
| tight(adjective, close, strong, secure, severe) | |
| refractory(adjective, hard, tough, strain, firm) | |
| resistant(adjective, strong, strain, firm, stiff) | |
| tough(adjective, mean, strong, hard, easy) | |
| solid(adjective, strong, hard, complete, secure) | |
| inelastic(adjective, hard, tough, severe, firm) | |
| iron(adjective, mean, strong, hard, tough) | |
| dogged(adjective, mean, hard, harsh, cruel) | |
| mulish(adjective, mean, strong, hard, tough) | |
| steely(adjective, strong, hard, tough, firm) | |
| tense(adjective, hard, firm, solid, stiff) | |
| incompliant(adjective, tough, severe, firm, resist) | |
| stiff-necked(adjective, mean, strong, hard, tough) | |
| close(adjective, hard, tough, correct, severe) | |
| taut(adjective, hard, firm, solid, stiff) | |
| stony(adjective, set, hard, firm, solid) | |
| hardheaded(adjective, strong, hard, tough, determined) | |
| single-minded(adjective, tough, severe, firm, harsh) | |
| hard-line(adjective, strong, hard, tough, severe) | |
| pigheaded(adjective, mean, hard, tough, firm) |
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| APA | Smart Define. (2015). rigid thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/rigid/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "rigid thesaurus" https://smartdefine.org/rigid/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, rigid thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/rigid/thesaurus/synonyms>. |
| MLA | Smart Define. "rigid thesaurus" 3 August 2015. Web. 29 September 2026. <https://smartdefine.org/rigid/thesaurus/synonyms> |