3 entries under clean topic. ×
| blue(adjective, feeling, happiness, sad) | |
| beryl | |
| blue-green |
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| APA | Smart Define. (2016). upbeat thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/upbeat/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "upbeat thesaurus" https://smartdefine.org/upbeat/thesaurus/antonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, upbeat thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/upbeat/thesaurus/antonyms>. |
| MLA | Smart Define. "upbeat thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/upbeat/thesaurus/antonyms> |