1
serious
0
dignified
0
earnest
0
grave
0
heavy
0
melancholy
0
no-nonsense
0
sedate
0
serious-minded
0
severe
0
sober
0
solemn
0
somber
0
staid
0
thoughtful
0
unfrivolous
11 years ago|104 views|share |citing 
APASmart Define. (2015). light-minded thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/light-minded/thesaurus/antonyms
ChicagoSmart Define. 2015. "light-minded thesaurus" https://smartdefine.org/light-minded/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, light-minded thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/light-minded/thesaurus/antonyms>.
MLASmart Define. "light-minded thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/light-minded/thesaurus/antonyms>