- Definitions|2
- Thesaurus|371
- Abbreviations|0
| sempiternal(adjective, eternal) | |
| stable(adjective, tough, sturdy, constant, enduring) | |
| strong(adjective, tough, sturdy, permanent, untouchable) | |
| unbeatable(adjective, invulnerable, untouchable, invincible) | |
| unfading(adjective, stable, constant, enduring, unable) | |
| unquenchable | |
| unremitting(lasting, permanent, everlasting, unending, undying) | |
| without end(expression, lasting, permanent, everlasting, unending) | |
| ineffaceable | |
| bulletproof(adjective, untouchable, invincible) | |
| coeternal | |
| continuous | |
| diurnal(stable, constant, enduring, lasting, durable) | |
| hard and fast | |
| immemorial(lasting, permanent, everlasting, unending, undying) | |
| indefinite(lasting, permanent, everlasting, unending, undying) | |
| nonperishable(adjective, unable, lasting) | |
| unkillable | |
| continued(lasting, permanent, everlasting, unending, undying) | |
| eterne |
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| APA | Smart Define. (2015). indestructible thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/indestructible/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "indestructible thesaurus" https://smartdefine.org/indestructible/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, indestructible thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/indestructible/thesaurus/synonyms>. |
| MLA | Smart Define. "indestructible thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/indestructible/thesaurus/synonyms> |