Synonyms|879Antonyms|229|Broader|13Narrower|49Related|577
1
cheerlessness(delight, cheer, joy)
1
dinginess
1
dulness
1
duskiness
1
enigma
1
equivocalness
1
faintness
1
grayness
1
grimness
1
inscrutability
1
nuance(noun, feature, color, tone)
1
obtuseness
1
opacity
1
opaqueness
1
pall(noun, happiness, gloom, cloud)
1
shadiness
1
shadowiness
1
stupidity(noun, darkness)
1
thickness
1
umbra
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APASmart Define. (2016). brightness thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/brightness/thesaurus/antonyms
ChicagoSmart Define. 2016. "brightness thesaurus" https://smartdefine.org/brightness/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, brightness thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/brightness/thesaurus/antonyms>.
MLASmart Define. "brightness thesaurus" 29 February 2016. Web. 24 September 2026. <https://smartdefine.org/brightness/thesaurus/antonyms>