150 entries under inflexible topic. ×
| certain(noun, adjective, change, clear, complete) | |
| changeless(adjective, severe, firm, harsh, solid) | |
| persistent(adjective, strong, tough, flat, firm) | |
| unalterable(adjective, strong, hard, secure, severe) | |
| resolved(verb, adjective, set, strong, flat) | |
| decided(verb, adjective, set, firm, solid) | |
| solid(adjective, set, strong, hard, sound) | |
| sure(adjective, clear, strong, flat, firm) | |
| tight(adjective, adverb, close, strong, hard) | |
| arranged(verb, adjective, set, certain, ready) | |
| frozen(adjective, calm, hard, firm, solid) | |
| tenacious(adjective, strong, sound, secure, tough) | |
| unbendable(adjective, firm, determined, unreasonable, resolute) | |
| abiding(adjective, strong, tough, flat, firm) | |
| confirmed(verb, adjective, set, hard, complete) | |
| intent(adjective, set, strong, complete, flat) | |
| unfaltering(adjective, firm, solid, certain, determined) | |
| dogged(adjective, mean, hard, tough, firm) | |
| inveterate(adjective, set, certain, usual, regular) | |
| mulish(adjective, mean, hard, firm, determined) |
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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> |