0
boil
0
booming
0
bright
0
brilliant
0
brutish(calm, careful, apathetic, compassionate, chaste)
0
burlesque
0
carefree
0
carnivalesque
0
celebratory
0
chafe
0
cheerful(adjective, happy)
0
cheering
0
cheery
0
chicken
0
childish(adjective, silly, immature)
0
clubby
0
cockamamy
0
coltish
0
commotion
0
concealed
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APASmart Define. (2016). serious thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/serious/thesaurus/antonyms
ChicagoSmart Define. 2016. "serious thesaurus" https://smartdefine.org/serious/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2016, serious thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/serious/thesaurus/antonyms>.
MLASmart Define. "serious thesaurus" 24 February 2016. Web. 26 September 2026. <https://smartdefine.org/serious/thesaurus/antonyms>