73 entries under adjective topic. ×
| strong(solid, stable, sure, safe) | |
| tenacious(strong, secure, solid, steady) | |
| uncompromising(obstinate, stubborn, willful) | |
| adjusted(strong, solid, stable, sure) | |
| buttoned down(expression, strong, solid, stable) | |
| childproof | |
| debauched | |
| decided(strong, determined, rigid, inflexible) | |
| defended(firm, safe, sheltered, protected) | |
| guarded(firm, safe, sheltered, protected) | |
| immune(safe, sheltered, protected) | |
| impregnable(safe, sheltered, protected) | |
| inaccessible(protected, tamper-proof) | |
| iron(strong, solid, stable, sure) | |
| loyal | |
| profligate | |
| protected(firm, safe, sheltered, warranted) | |
| quick | |
| rented | |
| restricted(firm, warranted, fortressed) |
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| APA | Smart Define. (2013). locked thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/locked/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "locked thesaurus" https://smartdefine.org/locked/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2013, locked thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/locked/thesaurus/synonyms>. |
| MLA | Smart Define. "locked thesaurus" 27 June 2013. Web. 28 September 2026. <https://smartdefine.org/locked/thesaurus/synonyms> |