14
sad(adjective, happy, merry, fun, enjoy)
11
heavy
8
down(adjective, adverb)
6
blue(adjective, feeling, happiness)
6
dark
6
unhappy
6
very upset
5
aggrieved(adjective, feeling, attitude, impression, emotion)
5
downcast
4
depressed
4
morose
4
depressing
4
lonely
4
saturnine
3
gloomy
3
lethargic
3
low
3
melancholy
3
sorrowful
3
sullen
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APASmart Define. (2016). buoyant thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/buoyant/thesaurus/antonyms
ChicagoSmart Define. 2016. "buoyant thesaurus" https://smartdefine.org/buoyant/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2016, buoyant thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/buoyant/thesaurus/antonyms>.
MLASmart Define. "buoyant thesaurus" 23 March 2016. Web. 26 September 2026. <https://smartdefine.org/buoyant/thesaurus/antonyms>