27 entries under perpetuity topic. ×
| immortal(adjective, everlasting, eternal, perpetual) | |
| perpetual(adjective, diuturnity) | |
| ceaseless | |
| endless(adjective, diuturnity) | |
| deathless | |
| eternal | |
| unfading | |
| continual | |
| everlasting | |
| imperishable | |
| undying | |
| amaranthine | |
| coeternal | |
| having no end(expression, idiom) | |
| sempiternal | |
| unending | |
| uninterrupted | |
| ever-flowing | |
| ever-living | |
| everduring |
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| APA | Smart Define. (2015). evergreen thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/evergreen/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "evergreen thesaurus" https://smartdefine.org/evergreen/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, evergreen thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/evergreen/thesaurus/synonyms>. |
| MLA | Smart Define. "evergreen thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/evergreen/thesaurus/synonyms> |