634 entries under adjective topic. ×
| persistent(strong, tough, strain, flat) | |
| firm(noun, state, calm, good) | |
| strong(good, strong, hard, sound) | |
| sound(noun, strong, hard, complete) | |
| consistent(calm, strong, direct, smooth) | |
| hard(strong, strain, firm, solid) | |
| unfluctuating(calm, strong, direct, secure) | |
| stiff(secure, strain, firm, steady) | |
| steady(state, calm, good, quiet) | |
| permanent(quality, strong, secure, tough) | |
| constant(calm, good, quality, strong) | |
| steadfast(calm, good, strong, secure) | |
| fast(adverb, strong, secure, tough) | |
| invariable(state, quiet, soft, gentle) | |
| lasting(quality, strong, tough, strain) | |
| durable(strong, sound, secure, tough) | |
| stout(strong, sound, tough, strain) | |
| substantial(strong, hard, sound, complete) | |
| enduring(quality, strong, sound, tough) | |
| stationary(calm, quiet, strong, secure) |
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| APA | Smart Define. (2015). stable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/stable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stable thesaurus" https://smartdefine.org/stable/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, stable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/stable/thesaurus/synonyms>. |
| MLA | Smart Define. "stable thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/stable/thesaurus/synonyms> |