110 entries under rigid topic. ×
| substantial(adjective, characteristic, calm, good, close) | |
| firm(noun, adjective, calm, good, close) | |
| strong(adjective, calm, good, person, set) | |
| thick(adjective, characteristic, person, close, body) | |
| hard(adjective, adverb, person, body, strong) | |
| sturdy(adjective, calm, person, body, strong) | |
| dense(adjective, characteristic, person, set, body) | |
| concrete(adjective, set, hard, tough, correct) | |
| steady(adjective, calm, good, strong, sound) | |
| tough(adjective, calm, person, body, strong) | |
| stiff(adjective, set, strong, hard, secure) | |
| compact(adjective, close, set, hard, tough) | |
| steadfast(adjective, calm, good, strong, secure) | |
| fixed(adjective, set, strong, hard, sound) | |
| heavy(adjective, characteristic, person, set, body) | |
| close(adjective, set, hard, tough, correct) | |
| durable(adjective, calm, strong, sound, tough) | |
| impenetrable(adjective, close, set, hard, tough) | |
| tight(adjective, adverb, good, close, strong) | |
| compressed(adjective, set, hard, tough, firm) |
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| APA | Smart Define. (2016). solid thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/solid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "solid thesaurus" https://smartdefine.org/solid/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, solid thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/solid/thesaurus/synonyms>. |
| MLA | Smart Define. "solid thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/solid/thesaurus/synonyms> |