200 entries under solid topic. ×
| firm(noun, adjective, state, calm, good) | |
| strong(adjective, good, strong, hard, sound) | |
| sound(noun, adjective, strong, hard, complete) | |
| hard(adjective, strong, strain, firm) | |
| unfluctuating(adjective, calm, strong, direct, secure) | |
| steady(adjective, state, calm, good, quiet) | |
| constant(adjective, calm, good, quality, strong) | |
| steadfast(adjective, calm, good, strong, secure) | |
| fast(adjective, adverb, strong, secure, tough) | |
| durable(adjective, strong, sound, secure, tough) | |
| stout(adjective, strong, sound, tough, strain) | |
| substantial(adjective, strong, hard, sound, complete) | |
| enduring(adjective, quality, strong, sound, tough) | |
| stationary(adjective, calm, quiet, strong, secure) | |
| tight(adjective, close, strong, hard, secure) | |
| settled(adjective, strong, secure, easy, strain) | |
| stabile(adjective, calm, direct, smooth, right) | |
| robust(adjective, strong, sound, complete, secure) | |
| unyielding(adjective, strong, hard, sound, secure) | |
| solid(adjective, good, strong, hard, sound) |
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| APA | Smart Define. (2015). stable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/stable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stable thesaurus" https://smartdefine.org/stable/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, stable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/stable/thesaurus/synonyms>. |
| MLA | Smart Define. "stable thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/stable/thesaurus/synonyms> |