125 entries under gloomy topic. ×

15
muddy(verb, adjective, dull, soft, flat)
15
nebulous(adjective, dull, clear, rough, dark)
14
confused(adjective, dull, flat, difficult, dark)
14
shady(adjective, dull, dark, uncertain)
14
somber(adjective, dull, soft, flat, sad)
12
tenebrous(adjective, dull, rough, difficult, dark)
11
blind(verb, adjective, dull, close, cover)
10
turbid(adjective, dark, cloudy, muddy)
9
caliginous(adjective, dull, light, dark)
9
dense(adjective, solid, dark, gray)
9
dusk(adjective, dull, dark, dim)
9
unlit(verb, adjective, dull, soft, flat)
7
lightless(adjective, dull, dark, dim)
7
sunless(adjective, dull, dark, dim)
4
crepuscular(adjective, dull, dark, dim)
4
darkened(adjective, dull, dark, dim)
4
dingy(adjective, dull, soft, flat, dark)
4
dun(adjective, dull, soft, flat, dark)
4
inky(adjective, dull, dark, dim)
4
rayless(adjective, dull, dark, dim)
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APASmart Define. (2016). obscure thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/obscure/thesaurus/synonyms
ChicagoSmart Define. 2016. "obscure thesaurus" https://smartdefine.org/obscure/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, obscure thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/obscure/thesaurus/synonyms>.
MLASmart Define. "obscure thesaurus" 29 March 2016. Web. 30 September 2026. <https://smartdefine.org/obscure/thesaurus/synonyms>