- Definitions|1
- Thesaurus|1k
- Abbreviations|0
possible profanity
| unsustainable | |
| transient(adjective, irregular, broken, finite) | |
| temporary(adjective, irregular, broken, finite) | |
| completed(verb, adjective, irregular, broken, finite) | |
| ephemeral(adjective, irregular, broken, finite) | |
| evanescent | |
| finished(verb, adjective, irregular, broken, finite) | |
| fleeting(adjective, irregular, broken, finite) | |
| intermittent(adjective, irregular, broken, finite) | |
| momentary | |
| transitory | |
| brief(adjective, irregular, broken, finite) | |
| ending(adjective, irregular, broken, finite) | |
| fugitive | |
| human(time, life, period, eternity) | |
| impermanent | |
| inconstant(adjective, irregular, broken, finite) | |
| provisional | |
| short-lived | |
| achieve |
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| APA | Smart Define. (2016). unending thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unending/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "unending thesaurus" https://smartdefine.org/unending/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, unending thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unending/thesaurus/antonyms>. |
| MLA | Smart Define. "unending thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/unending/thesaurus/antonyms> |