0
serious-minded
0
slack
0
sleeping
0
sober
0
sobersided
0
somber
0
sorrowing
0
starchy
0
static
0
stoic
0
stolid
0
stony
0
stuffy
0
subdued
0
surly
0
torpid
0
tractable
0
unentertaining
0
unflagging
0
unlit
11 years ago|968 views|share |citing 
APASmart Define. (2015). frolicsome thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/frolicsome/thesaurus/antonyms
ChicagoSmart Define. 2015. "frolicsome thesaurus" https://smartdefine.org/frolicsome/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, frolicsome thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/frolicsome/thesaurus/antonyms>.
MLASmart Define. "frolicsome thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/frolicsome/thesaurus/antonyms>