- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
54 entries under adjective topic. ×
| permanent(constant, lasting, temporary) | |
| eternal(pause, limited, endless, lasting) | |
| endless | |
| lasting | |
| long(weak, low, excessive, lasting) | |
| ceaseless | |
| everlasting | |
| constant(sympathetic, broken, finished, occasional) | |
| perpetual(limited, irregular, lasting, continual) | |
| enduring | |
| timeless | |
| long-lived | |
| undying | |
| chronic | |
| deathless | |
| immortal | |
| interminable(limited, lasting, finite) | |
| changeless | |
| continuing | |
| continuous |
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| APA | Smart Define. (2016). ephemeral thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/ephemeral/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "ephemeral thesaurus" https://smartdefine.org/ephemeral/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, ephemeral thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/ephemeral/thesaurus/antonyms>. |
| MLA | Smart Define. "ephemeral thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/ephemeral/thesaurus/antonyms> |