- Definitions|2
- Thesaurus|756
- Abbreviations|0
| sitting pretty(expression, adjective, secure, safe, snug) | |
| snug(adjective, close, strong, secure, firm) | |
| solid | |
| stable | |
| steady | |
| tenable | |
| tended(adjective, secure, safe, snug, intact) | |
| tough(strong, resolute, unaffected, permanent, resilient) | |
| trustworthy | |
| unanswerable(adjective, safe, unaffected, protected, resistant) | |
| unasked | |
| unattackable | |
| unbending(adjective, unyielding, unreceptive) | |
| unbreakable(adjective, strong, tough) | |
| undamaged(adjective, secure, perfect, safe, snug) | |
| undampable | |
| undangerous | |
| under lock and key(expression, idiom, secure, safe, snug) | |
| undestroyable | |
| undying |
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| APA | Smart Define. (2015). invulnerable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/invulnerable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "invulnerable thesaurus" https://smartdefine.org/invulnerable/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, invulnerable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/invulnerable/thesaurus/synonyms>. |
| MLA | Smart Define. "invulnerable thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/invulnerable/thesaurus/synonyms> |