Wiktionary
sunlessness
n. 1 The state or characteristic of being without the sun or sunshine. 2 (context figuratively English) dreariness, joylessness.
Usage examples of "sunlessness".
A tendegree axial tilt, together with the orbit, means that the northern part of the Arctican continent spends half its year in unbroken sunlessness.
A ten-degree axial tilt, together with the orbit, means that the northern part of the Arctican continent spends half its year in unbroken sunlessness.