21
joyful(adjective, happy)
17
happy(adjective, sad, unhappy, sorrow, depression)
12
cheerful(adjective, happy)
11
joyous
9
gleeful
7
bright
7
cheery
7
delightful
6
delighted
6
carefree
6
delicious(adjective, attitude, trait, displeasure)
5
buoyant
4
merry
4
sunny
3
chipper
3
ecstatic
3
elated
3
enraptured
3
entranced
3
euphoric
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APASmart Define. (2016). mournful thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/mournful/thesaurus/antonyms
ChicagoSmart Define. 2016. "mournful thesaurus" https://smartdefine.org/mournful/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, mournful thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/mournful/thesaurus/antonyms>.
MLASmart Define. "mournful thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/mournful/thesaurus/antonyms>