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lightless

[lahyt-lis] /ˈlaɪt lɪs/
adjective
1.
without light or lights; receiving no light; dark.
2.
giving no light.
Origin of lightless
1000
before 1000; Middle English lihtles, Old English lēohtlēas. See light1, -less
Related forms
lightlessness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Word Origin and History for lightless
adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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