caliginous

being without light or without much light what horrors were committed within the caliginous confinements of that torture chamber Synonyms black, dark, darkened, darkish, darkling, darksome, dim, dimmed, dusk, dusky, gloomy, lightless, murky, obscure, obscured, pitch-black, pitch-dark, pitchy, rayless, somber (or sombre), stygian, tenebrific, tenebrous, unlitRelated Words crepuscular, twilit; moonless, starless, sunless; cloudy, dull, dulled, lackluster; shadowlike, shadowy, shady; gray (also grey), leaden, pale; beclouded, befogged, clouded, foggy, fuliginous, misty, smoggy, soupyNear Antonyms ablaze, agleam, aglitter, alight, beaming, beamy, effulgent, glaring, glowing, incandescent, lambent, radiant, relucent, resplendent, shining, sparkling; ultrabright; glossy, lustrous, shiny; floodlit (also floodlighted), highlighted, spotlighted (or spotlit); moonlit, moony, starlit, sunlitAntonyms bright, brightened, brilliant, illuminated, illumined, light, lit (or lighted), lightsome, lucent, lucid, luminous