- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
218 entries under adjective topic. ×
| timeless(continue, steady, constant, continuous) | |
| undying(constant, continuous, endless, enduring) | |
| immortal(continue, constant, endless, lasting) | |
| unbroken(verb, sound, steady, stable) | |
| infinite(end, constant, abundant, endless) | |
| unchanging(steady, stable, regular, fixed) | |
| non-stop | |
| abiding(stable, fixed, persistent, constant) | |
| ageless(fixed, unchanging, permanent, unchangeable) | |
| fixed(dull, determined, usual, steady) | |
| imperishable(constant, enduring, lasting, continual) | |
| relentless(continue, determined, steady, persistent) | |
| sempiternal(lasting, continual, eternal, perpetuity) | |
| unvarying(steady, stable, regular, fixed) | |
| continuing(wild, familiar, stable, fixed) | |
| habitual(usual, steady, stable, regular) | |
| immutable(steady, stable, regular, fixed) | |
| recurrent(steady, regular, constant, continuous) | |
| regular(verb, sound, usual, steady) | |
| unfailing(continue, steady, fixed, persistent) |
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| APA | Smart Define. (2016). perpetual thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/perpetual/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "perpetual thesaurus" https://smartdefine.org/perpetual/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, perpetual thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/perpetual/thesaurus/synonyms>. |
| MLA | Smart Define. "perpetual thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/perpetual/thesaurus/synonyms> |