lightless

[ lahyt-lis ]
/ ˈlaɪt lɪs /

adjective

without light or lights; receiving no light; dark.
giving no light.

Origin of lightless

before 1000; Middle English lihtles, Old English lēohtlēas. See light1, -less
Related formslight·less·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Word Origin and History for lightless

lightless


adj.

Old English leohtleas; see light (n.) + -less.

Online Etymology Dictionary, © 2010 Douglas Harper