- Definitions|2
- Thesaurus|371
- Abbreviations|0
114 entries under adjective topic. ×
| undestroyable(moral, unable, lasting, principled) | |
| changeless(stable, constant, enduring, lasting) | |
| endless | |
| indelible(stability, unable, lasting) | |
| inextinguishable(moral, stability, unable, lasting) | |
| invulnerable(strong, permanent, invulnerable, untouchable) | |
| perdurable(strong, tough, stable, constant) | |
| unending | |
| incorruptible(strong, honest, moral, honorable) | |
| unchanging(stable, constant, enduring, lasting) | |
| hard(strong, firm, rigid, unyielding) | |
| invincible | |
| timeless(lasting, permanent, everlasting, eternal) | |
| adamant(firm, rigid, unyielding, steely) | |
| ageless(lasting, permanent, everlasting, unending) | |
| ceaseless | |
| deathless(unable, lasting) | |
| impregnable(unyielding, unassailable, untouchable, unconquerable) | |
| long-lasting(tough, stable, sturdy, constant) | |
| steely(firm, rigid, unyielding) |
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| APA | Smart Define. (2015). indestructible thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/indestructible/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "indestructible thesaurus" https://smartdefine.org/indestructible/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, indestructible thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/indestructible/thesaurus/synonyms>. |
| MLA | Smart Define. "indestructible thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/indestructible/thesaurus/synonyms> |