Synonyms|321Antonyms|144|Broader|2Narrower|0Related|1.9k
2
nice
1
blue(adjective, feeling, happiness)
1
decorous
1
dissatisfied
1
earnest
1
formal
1
grave
1
heedful
1
high-strung
1
long-suffering
1
overburdened
1
rigid
1
serious
1
serious-minded
1
skittish
1
somber
1
stressful(adjective, state, feeling, calmness)
1
strict
1
uptight
1
wary
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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>