- Definitions|0
- Thesaurus|219
- Abbreviations|0
54 entries under substantial topic. ×
| abiding(adjective, calm, strong, secure, firm) | |
| anchored(adjective, calm, strong, secure, firm) | |
| balanced(adjective, calm, strong, secure, firm) | |
| brick-wall(adjective, calm, strong, secure, firm) | |
| calm(adjective, strong, secure, firm, solid) | |
| constant(adjective, calm, strong, secure, firm) | |
| deep-rooted(adjective, calm, strong, solid, steady) | |
| durable(adjective, calm, strong, secure, firm) | |
| enduring(adjective, calm, strong, secure, firm) | |
| equable(adjective, calm, strong, secure, firm) | |
| even(adjective, calm, strong, secure, firm) | |
| fast(adjective, calm, strong, secure, firm) | |
| firm(adjective, calm, strong, secure, solid) | |
| fixed resistant(expression, adjective, calm, strong) | |
| immutable(adjective, calm, strong, solid, steady) | |
| invariable(adjective, calm, strong, solid, steady) | |
| lasting(adjective, calm, strong, solid, steady) | |
| nailed(adjective, calm, strong, secure, firm) | |
| perdurable(adjective, calm, strong, solid, steady) | |
| permanent(adjective, calm, strong, solid, steady) |
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| APA | Smart Define. (2011). solid as a rock thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/solid_as_a_rock/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "solid as a rock thesaurus" https://smartdefine.org/solid_as_a_rock/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2011, solid as a rock thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/solid_as_a_rock/thesaurus/synonyms>. |
| MLA | Smart Define. "solid as a rock thesaurus" 24 May 2011. Web. 26 September 2026. <https://smartdefine.org/solid_as_a_rock/thesaurus/synonyms> |