- Definitions|2
- Thesaurus|505
- Abbreviations|0
| perdurable(adjective, stable, constant, enduring, lasting) | |
| sustainable | |
| unfailing(fixed, continuous, static, unchangeable, everlasting) | |
| unkillable | |
| unquenchable | |
| attestable | |
| changeless(adjective, stable, fixed, constant, enduring) | |
| coeternal | |
| continued(continuous, lasting, permanent, everlasting, uninterrupted) | |
| continuing(fixed, static, unchangeable, recurrent, perpetual) | |
| deathlessness | |
| demonstratable | |
| diurnal(stable, constant, vast, enduring, lasting) | |
| embalmed | |
| eonian | |
| establishable | |
| eternities | |
| ever-fresh | |
| evincible | |
| fadeless |
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| APA | Smart Define. (2016). imperishable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/imperishable/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "imperishable thesaurus" https://smartdefine.org/imperishable/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, imperishable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/imperishable/thesaurus/synonyms>. |
| MLA | Smart Define. "imperishable thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/imperishable/thesaurus/synonyms> |