stygian Synonyms

acherontic unlit Acheronian gloomy hellish infernal tenebrous murky somber shadowy dim darkened black dark shady subterranean starless sooty sombre shadowed sloe slater sunless tartarean Hadean melanoid macabre unlighted inklike underworld underground rayless plutonic foggy eerie dusky dreary dismal dingy crepuscular coal-black cimmerian caliginous brooding blackish forbidding grim inky plutonian pitchy