lightless
Americanadjective
-
without light or lights; receiving no light; dark.
-
giving no light.
Other Word Forms
Etymology
Origin of lightless
before 1000; Middle English lihtles, Old English lēohtlēas. See light 1, -less
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
While you can’t help but appreciate the cherry red of the deep-sea atolla jellyfish, you will also learn why its unusual pigment persists in the lightless depths.
From The Wall Street Journal ● Nov. 21, 2025
Much of the deep ocean is vacant, with extremely cold, lightless regions making it difficult for life as we know it to survive.
From Salon ● May 21, 2025
There are writers at this very newspaper, all upstanding individuals, who would have you believe a mythologized weather pattern of doom is about to plunge our mountain-nestled utopia into an epoch of lightless despair.
From Seattle Times ● Oct. 20, 2023
The boy grows up in the lightless void before managing to escape.
From Los Angeles Times ● Dec. 9, 2022
I almost liked how cramped and lightless it was, so unlike our windy, too bright apartment.
From "Native Speaker" by Chang-rae Lee
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
