92 entries under inflexible topic. ×
| unyielding(adjective, set, strong, hard, sound) | |
| condensed(adjective, set, hard, tough, heavy) | |
| rocky(adjective, set, strong, hard, firm) | |
| solidified(adjective, set, hard, tough, firm) | |
| immobile(adjective, strong, secure, fixed, impassive) | |
| jelled(adjective, set, hard, tough, firm) | |
| resistant(adjective, strong, hard, tough, fit) | |
| stationary(adjective, calm, strong, fixed, constant) | |
| stony(adjective, hard, firm, stiff, rigid) | |
| unbending(adjective, hard, firm, stiff, tense) | |
| congealed(adjective, set, hard, tough, firm) | |
| frozen(adjective, hard, firm, stiff, tense) | |
| impermeable(adjective, close, set, hard, tough) | |
| rooted(adjective, strong, hard, secure, steady) | |
| steely(adjective, hard, firm, stiff, tense) | |
| attached(adjective, secure, rigid, stubborn) | |
| hardened(adjective, set, strong, hard, tough) | |
| hardheaded(adjective, firm, obstinate, stubborn) | |
| inelastic(adjective, hard, tough, severe, firm) | |
| brittle(adjective, hard, firm, stiff, tense) |
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| APA | Smart Define. (2016). solid thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/solid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "solid thesaurus" https://smartdefine.org/solid/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, solid thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/solid/thesaurus/synonyms>. |
| MLA | Smart Define. "solid thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/solid/thesaurus/synonyms> |