3
black
3
gloomy
3
inferior
3
lackluster
3
normal
3
obtuse
3
opaque
3
shadowy
3
slow
3
somber
3
thickheaded
3
typical
3
uneducated
3
unlit
2
darkened
2
dense
2
foolish
2
abysmal
2
airheaded
2
awful
10 years ago|5.1k views|share |citing 
APASmart Define. (2016). brilliant thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/brilliant/thesaurus/antonyms
ChicagoSmart Define. 2016. "brilliant thesaurus" https://smartdefine.org/brilliant/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, brilliant thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/brilliant/thesaurus/antonyms>.
MLASmart Define. "brilliant thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/brilliant/thesaurus/antonyms>