0
drab
0
dreary
0
droopy
0
dubious
0
dull
0
dumb
0
dunderheaded
0
dusk
0
dusky
0
empty-headed
0
fatal
0
fatuous
0
featherheaded
0
feebleminded
0
flat
0
foggy
0
fool
0
foolish
0
foreboding
0
forlorn
11 years ago|1.7k views|share |citing 
APASmart Define. (2015). bright blue thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/bright_blue/thesaurus/antonyms
ChicagoSmart Define. 2015. "bright blue thesaurus" https://smartdefine.org/bright_blue/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2015, bright blue thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/bright_blue/thesaurus/antonyms>.
MLASmart Define. "bright blue thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/bright_blue/thesaurus/antonyms>