- Definitions|2
- Thesaurus|937
- Abbreviations|0
24 entries under adjective topic. ×
| permanent | |
| eternal | |
| everlasting | |
| lasting | |
| enduring | |
| indelible(temporary, indestructible) | |
| undying | |
| continuing | |
| perpetual | |
| durable | |
| immortal | |
| persistent | |
| unalterable | |
| unfailing(certain, unchanging) | |
| continual | |
| immutable | |
| inalienable(absolute, inherent) | |
| invariable | |
| irreparable | |
| irretrievable |
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| APA | Smart Define. (2016). impermanent thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/impermanent/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "impermanent thesaurus" https://smartdefine.org/impermanent/thesaurus/antonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, impermanent thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/impermanent/thesaurus/antonyms>. |
| MLA | Smart Define. "impermanent thesaurus" 26 February 2016. Web. 21 September 2026. <https://smartdefine.org/impermanent/thesaurus/antonyms> |