Synonyms for Lightless:

• adj.

  •all (adjective)
  • lightless.
  •dark (adjective)
  • drab,
  • ill-lighted,
  • sooty,
  • swarthy,
  • dingy,
  • inky,
  • stygian,
  • silhouetted,
  • overcast,
  • foggy,
  • pitch-black,
  • grimy,
  • vague,
  • dismal,
  • pitch-dark,
  • aphotic,
  • shaded,
  • blackish,
  • nebulous,
  • caliginous,
  • somber,
  • cloudy,
  • shady,
  • lurid,
  • pitch black,
  • opaque,
  • faint,
  • darkened,
  • dull,
  • dim,
  • cimmerian,
  • indistinct,
  • Atramentous,
  • rayless,
  • clouded,
  • pitchy,
  • crepuscular,
  • umbrageous,
  • black,
  • dun,
  • misty,
  • gloomy,
  • dreary,
  • murky,
  • pitch dark,
  • fainter,
  • obfuscous,
  • shadowy,
  • dusk,
  • sunless.
  •dim (adjective)
  • fuzzy,
  • blah,
  • mater,
  • ill-defined,
  • sullied,
  • monotonous,
  • Obscured,
  • tarnished,
  • weak,
  • poorly lit,
  • flat,
  • mat,
  • lackluster,
  • blurred,
  • monotone,
  • muted,
  • bleary,
  • faded,
  • gray,
  • pale,
  • unclear.
  •dusky (adjective)
  • brunette,
  • bistered,
  • cheerless,
  • joyless,
  • bleak,
  • veiled,
  • desolate,
  • funereal,
  • sable,
  • swart,
  • twilight.
  •gloomy (adjective)
  • forlorn,
  • sepulchral,
  • wintry.
  •obscure (adjective)
  • dense,
  • Fuliginous,
  • Obfuscated.
  •tenebrous (adjective)
  • equivocal,
  • uncertain,
  • Amphibological,
  • ambiguous,
  • unexplicit,
  • unintelligible.

• n.

  •invisible (noun)
  • invisible.
  •lightless (noun)
  • unseeable.
  •unilluminated (noun)
  • without light.

• Other synonyms:

  •Other relevant words:
  • cryptic,
  • obscurity,
  • mysterious,
  • deep,
  • darkness,
  • disheartened,
  • blue,
  • Darksome,
  • blind.

Antonyms for Lightless:

• adj.

  • dark
    clear, distinct, light, bright, hopeful, encouraging, happy, good, plain, sparkling, pleased, radiant, lucid, evident, visible, cheerful, smart, moral, sunny, shining, joyful, manifest, brilliant, luminous, apparent, vivacious, vivid, clean, intelligent, illuminated.
  • dim
    favorable, lively.
  • gloomy
    content, encouraged, pleasant, animated, uplifting, exhilarating.
  • obscure
    obvious, known, understood, famous, distinguished, perceptible, explicit.
  • tenebrous
    inviting.
  • Other antonyms:
    effulgent, lucent, starlit, shiny, resplendent, beaming, glossy, incandescent, glaring, glowing, lambent, lightsome, moony, agleam, floodlit, lustrous, beamy, ablaze, sunlit, lit, alight, Relucent, moonlit, highlighted, aglitter, seeable, illumined.

• Other antonyms:

  • n.
    light-colored, lighting.

Homophones for Lightless:

• listless, last laugh.