83 entries under adjective topic. ×

3
caliginous(dull, obscure, dark, gloomy)
3
crepuscular(dull, obscure, dark, gloomy)
3
dingy(dull, dark, gloomy, dim)
3
dreary(dull, dark, gloomy, dim)
3
dull(obscure, dark, gloomy, dim)
3
dusk(dull, dark, gloomy, dim)
3
faint(dull, dark, gloomy, dim)
3
indistinct(dull, dark, gloomy, dim)
3
opaque(dull, dark, gloomy, dim)
3
overcast(dull, obscure, dark, gloomy)
3
rayless(dull, dark, gloomy, dim)
3
vague(dull, dark, gloomy, dim)
2
aphotic(dull, dark, gloomy, dim)
2
atramentous(dull, dark, gloomy, dim)
2
blackish(dull, dark, gloomy, dim)
2
cheerless(dull, obscure, dark, dim)
2
clouded(dull, dark, gloomy, dim)
2
darkish(dull, obscure, dark, gloomy)
2
darksome
2
drab(dull, dark, gloomy, dim)
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APASmart Define. (2016). lightless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/lightless/thesaurus/synonyms
ChicagoSmart Define. 2016. "lightless thesaurus" https://smartdefine.org/lightless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, lightless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/lightless/thesaurus/synonyms>.
MLASmart Define. "lightless thesaurus" 29 February 2016. Web. 22 September 2026. <https://smartdefine.org/lightless/thesaurus/synonyms>