Synonyms|667Antonyms|142|Broader|7Narrower|8Related|1k
12
dark(adjective, clear, light, clean, lack)
11
dull
7
sad(adjective, feeling, happiness, glad, dark)
7
very upset
6
cloudy(adjective, dark)
6
gloomy(adjective, dark)
5
dim(adjective, dark)
5
murky
5
shadowy
4
black
4
cheerless
3
dismal
3
dusky
3
glum
3
obscure
3
overcast
3
pale(adjective, clear, light, dark, effect)
3
somber
3
sullen(adjective, dark)
2
melancholy
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APASmart Define. (2016). radiant thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/radiant/thesaurus/antonyms
ChicagoSmart Define. 2016. "radiant thesaurus" https://smartdefine.org/radiant/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, radiant thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/radiant/thesaurus/antonyms>.
MLASmart Define. "radiant thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/radiant/thesaurus/antonyms>