Akademik

lightlessness
noun
total absence of light
-

they fumbled around in total darkness

-

in the black of night

Syn: ↑total darkness, ↑blackness, ↑pitch blackness, ↑black
Derivationally related forms: ↑pitch-black (for: ↑pitch blackness), ↑black (for: ↑blackness), ↑lightless
Hypernyms: ↑dark, ↑darkness

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noun (-es)
: the quality or state of being lightless : darkness

Useful english dictionary. 2012.