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15
blue(adjective, feeling, clean, sad)
10 years ago|2.4k views|share |citing 
APASmart Define. (2016). upbeat thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/upbeat/thesaurus/antonyms
ChicagoSmart Define. 2016. "upbeat thesaurus" https://smartdefine.org/upbeat/thesaurus/antonyms (accessed September 30, 2026).
HarvardSmart Define 2016, upbeat thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/upbeat/thesaurus/antonyms>.
MLASmart Define. "upbeat thesaurus" 24 March 2016. Web. 30 September 2026. <https://smartdefine.org/upbeat/thesaurus/antonyms>