80 entries under obscure topic. ×

16
sad(adjective, unhappy, gloomy, depressing, dull)
15
vague(adjective, clear, rough, gloomy)
15
doleful(adjective, sorrow, woe, bad, sad)
15
mystic(adjective, secret, mysterious, unknown)
15
unenlightened(adjective, feature, description, characteristics, person)
14
incomprehensible(adjective, feature, mysterious, characteristic)
14
misty(adjective, dull, gloomy, lack)
13
hazy(adjective, dull, soft, flat)
13
nebulous(adjective, dull, rough, gloomy)
12
brunette(adjective, feature, appearance, hair, characteristic)
12
crepuscular(adjective, literary, characteristic, dull, situation)
12
inscrutable(adjective, feature, mysterious, characteristic)
11
obscured(adjective, dull, cover, gloomy)
10
lightless(adjective, dull, gloomy, uncertain)
10
unclear(adjective, hard, rough, gloomy)
9
abstruse(adjective, feature, characteristic, description, light)
9
blurred(adjective, dull, rough, gloomy)
9
cabalistic(adjective, evil, solid, strange)
9
darkish(adjective, dull, gloomy, dirty)
9
dispiriting(adjective, dull, unhappy, gloomy)
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APASmart Define. (2016). dark thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/dark/thesaurus/synonyms
ChicagoSmart Define. 2016. "dark thesaurus" https://smartdefine.org/dark/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, dark thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/dark/thesaurus/synonyms>.
MLASmart Define. "dark thesaurus" 3 April 2016. Web. 27 September 2026. <https://smartdefine.org/dark/thesaurus/synonyms>