| blue(adjective, feeling, happiness, clean, sad) | |
| sad(adjective, gloomy, doubtful) | |
| soul-crushing | |
| depressed(adjective, gloomy, doubtful) | |
| down(adjective, adverb, gloomy, doubtful) | |
| downbeat(noun, adjective) | |
| pessimistic(adjective, feelings, gloomy, doubtful, emotions) | |
| despondent | |
| funereal(adjective, light, depressing) | |
| gloomy(adjective, doubtful) | |
| gray | |
| sorrowful(adjective, gloomy, doubtful) | |
| glum | |
| hopeless(adjective, gloomy, doubtful) | |
| ill-being | |
| joyless | |
| unhappy(adjective, gloomy, doubtful) | |
| dejected | |
| crestfallen | |
| downcast |
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| APA | Smart Define. (2016). upbeat thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/upbeat/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "upbeat thesaurus" https://smartdefine.org/upbeat/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, upbeat thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/upbeat/thesaurus/antonyms>. |
| MLA | Smart Define. "upbeat thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/upbeat/thesaurus/antonyms> |