- Definitions|2
- Thesaurus|371
- Abbreviations|0
114 entries under adjective topic. ×
| unfading(stable, constant, enduring, unable) | |
| unquenchable | |
| ineffaceable | |
| bulletproof(untouchable, invincible) | |
| hard and fast | |
| nonperishable(unable, lasting) | |
| formidable | |
| impervious | |
| indomitable(untouchable, invincible) | |
| inerasable | |
| inexpungible | |
| inexterminable(unable, lasting) | |
| ingrained | |
| insuperable | |
| long-lived | |
| long-wearing | |
| reliable(tough, moral, sturdy, principled) | |
| sturdy | |
| unassailable(untouchable, unconquerable, unbreakable, invincible) | |
| untouchable(moral, principled, invincible) |
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| APA | Smart Define. (2015). indestructible thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/indestructible/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "indestructible thesaurus" https://smartdefine.org/indestructible/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, indestructible thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/indestructible/thesaurus/synonyms>. |
| MLA | Smart Define. "indestructible thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/indestructible/thesaurus/synonyms> |