5
extinguish
5
violent(adjective, great)
4
extinguish(verb, put, black, darkness, no light)
4
hard
4
dimness(noun, time, dark, black, dullness)
4
gargantuan
4
gloom(noun, delight, cheer, black, cloud)
4
obscurity(noun, black, dullness, cloud, darkness)
4
ponderous(adjective, heavy, tedious, dreary, cumbersome)
4
sad(adjective, upset, happy, joy, glad)
4
solemn(adjective, dull, quiet, obscure, lively)
3
darkish(adjective, dark, gloom, no light)
3
eclipse(noun, verb, time, dark, gloom)
3
laborious(adjective, dull, obscure)
3
leaden(adjective, dark, gloom, fog)
3
cloudy(adjective, good, dull, clear, bad)
3
dense
3
dismal(adjective, clear, gloomy, bleak, dreary)
3
dusk(noun, time, dark, black, cloud)
3
important(adjective, strong, rough)
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APASmart Define. (2016). light thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/light/thesaurus/antonyms
ChicagoSmart Define. 2016. "light thesaurus" https://smartdefine.org/light/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, light thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/light/thesaurus/antonyms>.
MLASmart Define. "light thesaurus" 1 April 2016. Web. 21 September 2026. <https://smartdefine.org/light/thesaurus/antonyms>