- Definitions|1
- Thesaurus|1.1k
- Abbreviations|0
49 entries under substantial topic. ×
| solid as a rock(expression, adjective, idiom, calm, strong) | |
| sound(adjective, calm, strong, secure, firm) | |
| stabile(adjective, calm, strong, secure, firm) | |
| stalwart(calm, strong, solid, steady) | |
| staying put(expression, calm, strong, solid) | |
| stout(calm, strong, solid, steady) | |
| together(calm, strong, solid, steady) | |
| well-built(calm, strong, solid, steady) | |
| well-founded(calm, strong, solid, steady) |
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| APA | Smart Define. (2015). unchangeable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unchangeable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unchangeable thesaurus" https://smartdefine.org/unchangeable/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, unchangeable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unchangeable/thesaurus/synonyms>. |
| MLA | Smart Define. "unchangeable thesaurus" 3 August 2015. Web. 26 September 2026. <https://smartdefine.org/unchangeable/thesaurus/synonyms> |