150 entries under inflexible topic. ×
| perverse(adjective, mean, hard, tough, firm) | |
| rebellious(adjective, tough, firm, unreasonable) | |
| recalcitrant(adjective, tough, firm, determined, unreasonable) | |
| rheumatic(adjective, hard, firm, solid, stiff) | |
| set in concrete(expression, idiom, steady, stable) | |
| starched(adjective, hard, firm, solid, stiff) | |
| starchy(adjective, hard, firm, solid, stiff) | |
| stiff-necked(adjective, mean, hard, tough, firm) | |
| stiff as a board(expression, adjective, idiom, hard, firm) | |
| strong-minded(adjective, firm, determined, serious, resolute) | |
| undiversified(adjective, set, regular, even, constant) | |
| unflexible(adjective, hard, firm, solid, rigid) | |
| ungraceful(adjective, hard, firm, solid, stiff) | |
| unmanageable(tough, firm, determined, unreasonable) | |
| unreasonable(tough, firm, obstinate, stubborn) | |
| unsupple(adjective, hard, firm, solid, stiff) | |
| untoward(tough, firm, unreasonable, obstinate) | |
| wooden(adjective, hard, firm, solid, stiff) | |
| bolshie(obstinate, willful) | |
| cast-iron(adjective, intent, hard-and-fast) |
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| APA | Smart Define. (2016). fixed thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/fixed/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fixed thesaurus" https://smartdefine.org/fixed/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, fixed thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/fixed/thesaurus/synonyms>. |
| MLA | Smart Define. "fixed thesaurus" 16 March 2016. Web. 27 September 2026. <https://smartdefine.org/fixed/thesaurus/synonyms> |