- Definitions|2
- Thesaurus|756
- Abbreviations|0
90 entries under adjective topic. ×
| impenetrable(unaffected, unyielding, safety, unbending) | |
| safe(secure, harm, perfect, unaffected) | |
| impregnable(strong, secure, resolute, safe) | |
| invincible(strong, resolute, unassailable, untouchable) | |
| secure(safe, intact, unbroken, protected) | |
| unbeatable | |
| immune(safe, unaffected, unyielding, unbending) | |
| protected(secure, perfect, safe, unaffected) | |
| unassailable(strong, sound, secure, resolute) | |
| unconquerable | |
| indestructible | |
| untouchable | |
| indomitable(steadfast, unyielding) | |
| inviolable(secure, perfect, safe, snug) | |
| strong(resolute, unaffected, permanent, resilient) | |
| impervious(secure, safe, unaffected, unyielding) | |
| defensible | |
| tight(close, strong, unaffected, snug) | |
| airtight | |
| impassable(strong, resolute, unaffected, unyielding) |
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| APA | Smart Define. (2015). invulnerable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/invulnerable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "invulnerable thesaurus" https://smartdefine.org/invulnerable/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, invulnerable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/invulnerable/thesaurus/synonyms>. |
| MLA | Smart Define. "invulnerable thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/invulnerable/thesaurus/synonyms> |