Synonyms|879Antonyms|229|Broader|13Narrower|49Related|577
11
night
6
dark(noun, time, place, daybreak)
5
darkness(noun, lightness)
4
dullness
4
gloom(noun, darkness, blackness)
4
murkiness(noun, light)
4
shade(noun, lightness, dimness)
4
silliness
3
dimness
3
gloominess
3
obscurity
3
shadow(noun, darkness)
2
abstruseness
2
ambiguity
2
blackness
2
cloudiness
2
denseness(light, revelation)
2
haziness(noun, light)
1
bleakness(noun, light)
1
black
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APASmart Define. (2016). brightness thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/brightness/thesaurus/antonyms
ChicagoSmart Define. 2016. "brightness thesaurus" https://smartdefine.org/brightness/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, brightness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/brightness/thesaurus/antonyms>.
MLASmart Define. "brightness thesaurus" 29 February 2016. Web. 22 September 2026. <https://smartdefine.org/brightness/thesaurus/antonyms>