11
happy
5
cheerful
4
blithe
4
carefree
3
buoyant
3
delighted
2
blithesome
2
cheery
2
ecstatic
2
elated
2
euphoric
2
fun
2
glad
2
gladsome
2
gleeful
2
heartened(adjective, blue, happy, cast-down)
2
jocose
2
jocund
2
jolly
2
jovial
<123457>
10 years ago|1.5k views|share |citing 
APASmart Define. (2016). downhearted thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/downhearted/thesaurus/antonyms
ChicagoSmart Define. 2016. "downhearted thesaurus" https://smartdefine.org/downhearted/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, downhearted thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/downhearted/thesaurus/antonyms>.
MLASmart Define. "downhearted thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/downhearted/thesaurus/antonyms>