5
sad(adjective, happy, merry, fun, enjoy)
5
worried
4
anxious
4
distressed
4
upset
3
disconsolate
3
in low cotton
3
jittery
3
jumpy
3
nervous
3
responsible
3
sorrowful
3
tense
3
troubled
2
bothered
2
careful
2
careworn
2
cautious
2
ceremonious
2
concerned
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APASmart Define. (2015). happy-go-lucky thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/happy-go-lucky/thesaurus/antonyms
ChicagoSmart Define. 2015. "happy-go-lucky thesaurus" https://smartdefine.org/happy-go-lucky/thesaurus/antonyms (accessed October 1, 2026).
HarvardSmart Define 2015, happy-go-lucky thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/happy-go-lucky/thesaurus/antonyms>.
MLASmart Define. "happy-go-lucky thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/happy-go-lucky/thesaurus/antonyms>