45 entries under perpetual topic. ×
| long-lived(persistent, continuous, lasting, continuing, recurrent) | |
| longstanding(permanent, recurrent, long-term, lifelong) | |
| old(permanent, unremitting, recurrent, long-term) | |
| perduring(stable, constant, enduring, lasting, durable) | |
| set in concrete(expression, stable, constant, enduring, lasting) |
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| APA | Smart Define. (2016). continual thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/continual/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "continual thesaurus" https://smartdefine.org/continual/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, continual thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/continual/thesaurus/synonyms>. |
| MLA | Smart Define. "continual thesaurus" 12 February 2016. Web. 28 September 2026. <https://smartdefine.org/continual/thesaurus/synonyms> |