2
starless
2
unilluminated
2
vague(adjective, dull, dark, gloomy, dim)
1
baleful(adjective, sorrow, depress, sadness, emotion)
1
beamless
1
beetle-browed(adjective, sorrow, depress, sadness, emotion)
1
black
1
black-browed(adjective, sorrow, depress, sadness, emotion)
1
black as night(expression, idiom)
1
blackfaced(adjective, sorrow, depress, sadness, emotion)
1
blae(adjective, sorrow, depress, sadness, emotion)
1
bleak
1
burial
1
cimmerian(adjective, dull, dark, gloomy, dim)
1
cold
1
confused(gloomy, gray, overcast)
1
crestfallen(adjective, mood, weather)
1
dark as night(expression, idiom)
1
dark as pitch(expression, idiom)
1
darkening
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APASmart Define. (2016). sunless thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/sunless/thesaurus/synonyms
ChicagoSmart Define. 2016. "sunless thesaurus" https://smartdefine.org/sunless/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, sunless thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/sunless/thesaurus/synonyms>.
MLASmart Define. "sunless thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/sunless/thesaurus/synonyms>