- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
54 entries under adjective topic. ×
| immutable | |
| incessant | |
| indissoluble | |
| insistent | |
| neat | |
| never-ending | |
| ongoing | |
| perennial | |
| steadfast | |
| unbreakable | |
| unbroken | |
| unfailing | |
| uninterrupted | |
| unremitting |
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| APA | Smart Define. (2016). ephemeral thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/ephemeral/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "ephemeral thesaurus" https://smartdefine.org/ephemeral/thesaurus/antonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, ephemeral thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/ephemeral/thesaurus/antonyms>. |
| MLA | Smart Define. "ephemeral thesaurus" 26 February 2016. Web. 28 September 2026. <https://smartdefine.org/ephemeral/thesaurus/antonyms> |