Synonyms|334Antonyms|122|Broader|20Narrower|17Related|1.1k

22 entries under unfrivolous topic. ×

12
smart(adjective, sensible, stupid, thoughtful, sober)
8
intelligent(adjective, reasonable, careful, sober, serious)
8
sober(adjective, serious, earnest, serious-minded)
7
sane(adjective, reasonable, careful, intelligent, sober)
7
sensible(adjective, smart, thoughtful, sober, serious)
7
earnest(adjective, sober, serious, serious-minded)
7
serious(adjective, sober, earnest, serious-minded)
6
serious-minded(adjective, sober, serious, earnest)
6
thoughtful(adjective, smart, sensible, sober, serious)
5
brainy(adjective, sober, serious, earnest, serious-minded)
5
responsible(adjective, sober, serious, earnest, serious-minded)
4
melancholy(adjective, sober, serious, earnest, serious-minded)
4
dignified(adjective, sober, serious, earnest, serious-minded)
4
grave(adjective, sober, serious, earnest, serious-minded)
4
heavy(adjective, sober, serious, earnest, serious-minded)
4
no-nonsense(adjective, sober, serious, earnest, serious-minded)
4
sedate(adjective, sober, serious, earnest, serious-minded)
4
severe(adjective, sober, serious, earnest, serious-minded)
4
solemn(adjective, sober, serious, earnest, serious-minded)
4
staid(adjective, sober, serious, earnest, serious-minded)
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APASmart Define. (2016). goofy thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/goofy/thesaurus/antonyms
ChicagoSmart Define. 2016. "goofy thesaurus" https://smartdefine.org/goofy/thesaurus/antonyms (accessed October 1, 2026).
HarvardSmart Define 2016, goofy thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/goofy/thesaurus/antonyms>.
MLASmart Define. "goofy thesaurus" 24 March 2016. Web. 1 October 2026. <https://smartdefine.org/goofy/thesaurus/antonyms>