40 entries under depressing topic. ×

11
dark(adjective, dull, obscure, dark, gloomy)
9
obscure(adjective, dull, dark, gloomy, dim)
8
dim(adjective, dull, obscure, dark, gloomy)
8
dusky(adjective, dull, dark, gloomy, dim)
8
gloomy(adjective, dull, obscure, dark, dim)
8
unlit(adjective, dull, dark, gloomy, dim)
7
murky(adjective, dull, dark, gloomy, dim)
7
tenebrous(adjective, dull, obscure, dark, gloomy)
7
unilluminated(adjective, dull, obscure, dark, gloomy)
6
cloudy(adjective, dull, obscure, dark, gloomy)
6
shadowy(adjective, dull, dark, gloomy, dim)
6
somber(adjective, dull, dark, gloomy, dim)
3
caliginous(adjective, dull, obscure, dark, gloomy)
3
crepuscular(adjective, dull, obscure, dark, gloomy)
3
dreary(adjective, dull, dark, gloomy, dim)
3
dull(adjective, obscure, dark, gloomy, dim)
3
overcast(adjective, dull, obscure, dark, gloomy)
2
clouded(adjective, dull, dark, gloomy, dim)
2
drab(adjective, dull, dark, gloomy, dim)
1
funereal(dull, obscure, dark, dim, black)
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APASmart Define. (2016). lightless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/lightless/thesaurus/synonyms
ChicagoSmart Define. 2016. "lightless thesaurus" https://smartdefine.org/lightless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, lightless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/lightless/thesaurus/synonyms>.
MLASmart Define. "lightless thesaurus" 29 February 2016. Web. 22 September 2026. <https://smartdefine.org/lightless/thesaurus/synonyms>