92 entries under inflexible topic. ×
| substantial(adjective, characteristic, calm, good, close) | |
| firm(noun, adjective, calm, good, close) | |
| thick(adjective, characteristic, person, close, body) | |
| hard(adjective, adverb, person, body, strong) | |
| sturdy(adjective, calm, person, body, strong) | |
| stable(adjective, good, strong, hard, sound) | |
| dense(adjective, characteristic, person, set, body) | |
| concrete(adjective, set, hard, tough, correct) | |
| rigid(adjective, strong, hard, complete, secure) | |
| tough(adjective, calm, person, body, strong) | |
| stiff(adjective, set, strong, hard, secure) | |
| compact(adjective, close, set, hard, tough) | |
| fixed(adjective, set, strong, hard, sound) | |
| heavy(adjective, characteristic, person, set, body) | |
| close(adjective, set, hard, tough, correct) | |
| impenetrable(adjective, close, set, hard, tough) | |
| tight(adjective, adverb, good, close, strong) | |
| compressed(adjective, set, hard, tough, firm) | |
| concentrated(adjective, set, hard, complete, tough) | |
| set(adjective, calm, strong, hard, secure) |
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| APA | Smart Define. (2016). solid thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/solid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "solid thesaurus" https://smartdefine.org/solid/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, solid thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/solid/thesaurus/synonyms>. |
| MLA | Smart Define. "solid thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/solid/thesaurus/synonyms> |