111 entries under secure topic. ×
| poised(adjective, calm, strong, firm) | |
| resolute(adjective, calm, strong, firm) | |
| robust(adjective, strong, complete, solid) | |
| seaworthy(adjective, fit) | |
| set in stone(expression, adjective, idiom, calm, strong) | |
| sitting pretty(expression, adjective, harm, snug) | |
| solid as a rock(expression, adjective, idiom, calm, strong) | |
| stabile(adjective, calm, strong, firm) | |
| stationary(calm, strong, solid, steady) | |
| staunch(adjective, calm, good, strong) | |
| sturdy(adjective, calm, strong, complete) | |
| tended(adjective, harm, snug, intact) | |
| together(adjective, calm, good, strong) | |
| unchangeable(adjective, calm, strong, firm) | |
| under lock and key(expression, adjective, idiom, harm) | |
| unfluctuating(adjective, calm, strong, firm) | |
| uniform(adjective, calm, strong, firm) | |
| unmolested(adjective, harm, snug, intact) | |
| unmoving(strong, stable) | |
| unshakable(strong, stable) |
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| APA | Smart Define. (2016). safe thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/safe/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "safe thesaurus" https://smartdefine.org/safe/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, safe thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/safe/thesaurus/synonyms>. |
| MLA | Smart Define. "safe thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/safe/thesaurus/synonyms> |