- Definitions|2
- Thesaurus|217
- Abbreviations|0
39 entries under adjective topic. ×
| continual(stable, constant, enduring, lasting) | |
| continuing(continue, fundamental, permanent, operating) | |
| infinite(end, limitless) | |
| persisting(permanent, continuing, long-term, lifelong) | |
| tough(calm, strong, solid, steady) | |
| continuous | |
| immortal | |
| old(continue, permanent, continuing, recurrent) | |
| unbreakable(strong, tough) | |
| undying(continuous, enduring, lasting, permanent) | |
| persevering | |
| pursuing | |
| advancing | |
| carrying on | |
| maintaining | |
| progressing | |
| serviceable | |
| sustaining | |
| unfailing |
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| APA | Smart Define. (2016). perdurable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/perdurable/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "perdurable thesaurus" https://smartdefine.org/perdurable/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, perdurable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/perdurable/thesaurus/synonyms>. |
| MLA | Smart Define. "perdurable thesaurus" 3 March 2016. Web. 23 September 2026. <https://smartdefine.org/perdurable/thesaurus/synonyms> |