lightless

being without light or without much light wondered what might be lurking in the lightless corners of the basement Synonyms black, caliginous, darkened, darkish, darkling, darksome, dim, dimmed, dusk, dusky, gloomy, dark, 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