Sunless

Adjective

 * 1) Without the sun or sunshine; shaded; shadowed.
 * 2) * 1816, Samuel Taylor Coleridge, Kubla Khan (or, a Vision in a Dream. A Fragment):
 * In Xanadu did Kubla Khan
 * A stately pleasure dome decree:
 * Where Alph, the sacred river, ran
 * Through caverns measureless to man
 * Down to a sunless sea.
 * 1)  Dreary, cheerless.
 * 2) * 1857, Charlotte Brontë, The Professor, ch. 18:
 * When I first saw her, her countenance was sunless, her complexion colourless; she looked like one who had no source of enjoyment, no store of bliss anywhere in the world.

Thesaurus
Stygian, beamless, black, black as night, caliginous, cheerless, dark, dark as night, dark as pitch, darkling, darksome, depressing, drear, dreary, dusky, ebon, ebony, eclipsed, funereal, gloomy, grey, grim, inky, joyless, night-black, night-clad, night-cloaked, night-dark, night-enshrouded, night-filled, night-mantled, night-veiled, obfuscated, obscure, obscured, occulted, pitch-black, pitch-dark, pitchy, rayless, shadowy, starless, subfusc, tenebrious, tenebrose, tenebrous, unhappy, unilluminated, unlighted, unlit

Etymology
sun + -less

Derived terms

 * sunlessness

Anagrams

 * unlesss