Rayless

a.

1.

Destitute of rays; hence, dark; not illuminated; blind; as, a rayless sky; rayless eyes.

Adj.

1.

rayless - having no parts resembling rays; not having ray flowers

ableptical, amaurotic, beamless, benighted, bereft of light, black, black as night, blind, caliginous, color-blind, dark, dark as night, dark as pitch, darkling, darksome, dim-sighted, ebon, ebony, eclipsed, eyeless, hemeralopic, in darkness, mind-blind, night-black, night-clad, night-cloaked, night-dark, night-enshrouded, night-filled, night-mantled, night-veiled, nyctalopic, obfuscated, obscure, obscured, occulted, pitch-black, pitch-dark, pitchy, sightless, spiritually blind, stark blind, starless, stone-blind, sunless, tenebrious, tenebrose, tenebrous, undiscerning, unenlightened, unilluminated, unlighted, unlit, unobserving, unperceiving, unseeing, visionless