125 entries under dark topic. ×

16
gloomy(adjective, dull, obscure, miserable)
15
murky(adjective, dull, obscure, sorrow)
15
dim(adjective, dull, obscure, rough)
15
dusky(adjective, dull, gloomy, dim)
13
obscure(adjective, dull, rough, difficult)
12
shadowy(adjective, dull, rough, sorrow)
12
somber(adjective, upset, dull, sad)
11
vague(adjective, dull, clear, obscure, rough)
10
sunless(adjective, dull, sorrow, gloomy)
10
cloudy(adjective, dull, obscure, rough)
10
unlit(adjective, dull, gloomy, dim)
9
caliginous(adjective, dull, obscure, gloomy)
9
dingy(adjective, dull, gloomy, miserable)
9
dusk(adjective, dull, gloomy, dim)
9
shady(adjective, dull, obscure, gloomy)
8
opaque(adjective, dull, hard, obscure, difficult)
7
nebulous(adjective, dull, rough, gloomy)
7
unclear(adjective, obscure, rough, difficult)
6
overcast(adjective, dull, obscure, sorrow)
6
Stygian(adjective, dull, gloomy, dim)
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APASmart Define. (2016). tenebrous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/tenebrous/thesaurus/synonyms
ChicagoSmart Define. 2016. "tenebrous thesaurus" https://smartdefine.org/tenebrous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, tenebrous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/tenebrous/thesaurus/synonyms>.
MLASmart Define. "tenebrous thesaurus" 29 February 2016. Web. 24 September 2026. <https://smartdefine.org/tenebrous/thesaurus/synonyms>