104 entries under fixed topic. ×
| calm(adjective, quiet, strong, cool, secure) | |
| circumscribed(adjective, certain, limited, definite) | |
| constrained(firm, true, constant, steadfast) | |
| cool(adjective, calm, quiet, firm, solid) | |
| equable(adjective, calm, strong, secure, firm) | |
| fastened(adjective, strong, firm, solid, true) | |
| fortified(adjective, strong, firm, solid, true) | |
| immovable(adjective, strong, firm, solid, true) | |
| impregnable(adjective, firm, true, resolute) | |
| intense(adjective, firm, solid, steady, stable) | |
| ironclad(adjective, set, certain, definite) | |
| liege(adjective, firm, honest, solid, pure) | |
| limited(adjective, certain, definite, inflexible) | |
| narrow(adjective, certain, limited, definite) | |
| prescribed(expected, positive, settled, necessary) | |
| restricted(adjective, certain, limited, definite) | |
| set in stone(expression, adjective, idiom, calm, strong) | |
| solid as a rock(expression, adjective, idiom, calm, strong) | |
| stabile(adjective, calm, strong, secure, firm) | |
| stated(adjective, clear, strong, flat, plain) |
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| APA | Smart Define. (2016). sure thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sure/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sure thesaurus" https://smartdefine.org/sure/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, sure thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sure/thesaurus/synonyms>. |
| MLA | Smart Define. "sure thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/sure/thesaurus/synonyms> |