lightless

adjective

light·​less ˈlīt-ləs How to pronounce lightless (audio)
Synonyms of lightlessnext
1
: receiving no light : dark
2
: giving no light

Examples of lightless in a Sentence

wondered what might be lurking in the lightless corners of the basement
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Oh, and the grief was almost a person of its own, darkening the minds of some of the characters as much as any lightless corridor could darken a space. Literary Hub, 23 Mar. 2026 That lightless, see-through murk is dark matter. Joseph Howlett, Scientific American, 25 Jan. 2026 Amir and Miri share their memories of holing up in a lightless, airless concrete room with two children under the age of 5, trying desperately to remain quiet. Daniel Fienberg, HollywoodReporter, 11 Sep. 2025 For this reason black holes are invisible to the eye, as lightless as the empty, dark space surrounding them. Sidney Stevens, Treehugger, 14 Mar. 2025 See All Example Sentences for lightless

Word History

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of lightless was before the 12th century

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Cite this Entry

“Lightless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lightless. Accessed 3 Apr. 2026.

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