rayless (adj.)

• amaurotic
• benighted
• black
• blind
• caliginous
• color-blind
• dark
• darkling
• dim-sighted
• ebon
• ebony
• eyeless
• obscure
• pitch-black
• pitch-dark
• pitchy
• sightless
• starless
• stone-blind
• sunless
• tenebrious
• tenebrous
• undiscerning
• unenlightened
• unilluminated
• unlighted
• unlit
• unperceiving
• unseeing