358 entries under adjective topic. ×

5
lamentable(bad, sad, sorrow, depression)
5
lonesome(dull, gloomy, miserable, bleak)
5
merciless(feature, description, characteristics, attribute)
5
monstrous(description, feature, characteristic, attribute)
5
terrible(description, attribute, feature, characteristic)
5
turbid(gloomy, dense, cloudy, muddy)
5
uncheerful(sad, sorrow, depression, sadness)
5
unintelligible(hard, obscure, rough, solid)
5
woeful(dull, bad, low, sad)
4
afflictive(bad, sad, sorrow, depression)
4
dispirited(sad, unhappy, gloomy, mood)
4
dolorous(dull, sad, unhappy, sorrow)
4
downcast(dull, sad, unhappy, gloomy)
4
grimy(soft, obscure, flat, gloomy)
4
grumpy(sadness, gloom, unclear, sullen)
4
satanic(evil, mysterious, threatening, nefarious)
4
secretive(close, strange, reticent, clandestine)
4
stormy(gloomy, cloudy, misty, foggy)
3
Stygian(characteristic, rare, feature, dull)
3
Tartarean(characteristic, rare, feature, dull)
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APASmart Define. (2016). dark thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/dark/thesaurus/synonyms
ChicagoSmart Define. 2016. "dark thesaurus" https://smartdefine.org/dark/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, dark thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/dark/thesaurus/synonyms>.
MLASmart Define. "dark thesaurus" 3 April 2016. Web. 24 September 2026. <https://smartdefine.org/dark/thesaurus/synonyms>