110 entries under rigid topic. ×
| ossified(adjective, set, hard, firm, heavy) | |
| petrified(adjective, set, strong, hard, firm) | |
| resolved(adjective, serious, resolute, persistent) | |
| rigorous(adjective, complete, correct, severe, harsh) | |
| strict(adjective, correct, severe, exact, proper) | |
| taut(adjective, strong, hard, firm, substantial) | |
| tense(adjective, hard, firm, stiff) | |
| thickened(adjective, set, hard, firm, heavy) | |
| unbendable(adjective, firm, inflexible, unbending) | |
| unrelenting | |
| annealed(adjective, hard, firm, stiff, tense) | |
| arthritic(adjective, hard, firm, stiff, tense) | |
| austere | |
| benumbed(adjective, hard, firm, stiff, tense) | |
| buckram(adjective, hard, firm, stiff, tense) | |
| cemented(adjective, set, strong, hard, firm) | |
| chilled(adjective, hard, firm, stiff, tense) | |
| close-grained(adjective, close, set, hard, tough) | |
| contracted(adjective, hard, firm, stiff, tense) | |
| creaky(adjective, hard, firm, stiff, tense) |
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| APA | Smart Define. (2016). solid thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/solid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "solid thesaurus" https://smartdefine.org/solid/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, solid thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/solid/thesaurus/synonyms>. |
| MLA | Smart Define. "solid thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/solid/thesaurus/synonyms> |