- Definitions|2
- Thesaurus|618
- Abbreviations|0
122 entries under adjective topic. ×
| abiding(enduring, lasting, permanent, everlasting) | |
| amaranthine(constant, abundant, unrestrained, endless) | |
| continual(constant, continuous, enduring, lasting) | |
| infinite(constant, abundant, unrestrained, endless) | |
| ageless | |
| continuous(constant, abundant, continuous, unrestrained) | |
| incessant(constant, abundant, continuous, permanent) | |
| indelible(stability, permanent, long-term, lifelong) | |
| indissoluble(stability, permanent, everlasting, eternal) | |
| never-ending(constant, abundant, endless, infinite) | |
| durable(enduring, lasting, permanent, recurrent) | |
| fixed(enduring, lasting, permanent, perpetual) | |
| incorruptible | |
| inextinguishable | |
| long-term(permanent, lifelong) | |
| persistent | |
| sempiternal(eternal, perpetuity) | |
| unchanging(continuous, enduring, lasting, permanent) | |
| unremitting(continuous, permanent, everlasting, uninterrupted) | |
| dateless |
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| APA | Smart Define. (2016). undying thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/undying/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "undying thesaurus" https://smartdefine.org/undying/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, undying thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/undying/thesaurus/synonyms>. |
| MLA | Smart Define. "undying thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/undying/thesaurus/synonyms> |