Definition of "sunless"

sunless

adjective
comparative more sunless, superlative most sunless
1. Without the sun or sunshine; shaded; shadowed.
  Quotations
  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.
  1797, S[amuel] T[aylor] Coleridge, “Kubla Khan: Or A Vision in a Dream”, in Christabel: Kubla Khan, a Vision: The Pains of Sleep, London: […] John Murray, […], by William Bulmer and Co. […], published 1816, page 55
2. (figuratively) Dreary, cheerless.
  Quotations
  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.
  1857, Charlotte Brontë, chapter 18, in The Professor