20 entries under lightless topic. ×

7
dark(adjective, gloomy, lack, dim, black)
5
obscure(adjective, dull, dark, gloomy, dim)
5
pitch-dark(adjective, dull, dark, gloomy, dim)
5
tenebrous(adjective, dull, dark, gloomy, dim)
5
unlit(adjective, dull, dark, gloomy, dim)
4
unlighted(adjective, dull, dark, gloomy, dim)
3
darkened(adjective, dull, dark, gloomy, dim)
3
dim(adjective, dull, dark, gloomy, black)
3
dusk(adjective, dull, dark, gloomy, dim)
3
murky(adjective, dull, dark, gloomy, dim)
3
stygian(adjective, dull, dark, gloomy, dim)
2
aphotic(adjective, dull, dark, gloomy, dim)
2
atramentous(adjective, dull, dark, gloomy, dim)
2
crepuscular(adjective, dull, dark, gloomy, dim)
2
dun(adjective, dull, dark, gloomy, dim)
2
ill-lighted(adjective, dull, dark, gloomy, dim)
2
opaque(adjective, dull, dark, gloomy, dim)
2
overcast(adjective, dull, dark, gloomy, dim)
1
cimmerian(adjective, dull, dark, gloomy, dim)
1
obfuscous(adjective, dull, dark, gloomy, dim)
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APASmart Define. (2016). rayless thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/rayless/thesaurus/synonyms
ChicagoSmart Define. 2016. "rayless thesaurus" https://smartdefine.org/rayless/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, rayless thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/rayless/thesaurus/synonyms>.
MLASmart Define. "rayless thesaurus" 29 February 2016. Web. 20 September 2026. <https://smartdefine.org/rayless/thesaurus/synonyms>