How to Use lightless in a Sentence

lightless

adjective

• That lightless, see-through murk is dark matter.
  — Joseph Howlett, Scientific American, 25 Jan. 2026
• Yet what could be a more apt way to recall the dark days of spring than a muffled, echoless din in a tight, lightless canyon?
  — Justin Davidson, Curbed, 17 Mar. 2021
• These lightless worlds can shine light on how planets formed and what happens to them after their star finally dies.
  — Nola Taylor Redd, Smithsonian Magazine, 30 Sep. 2020
• Within such a core’s lightless, dense depths, conditions can be cold enough for hydrogen ice to form.
  — Jonathan O'Callaghan, Scientific American, 3 June 2020
• Her father should know, having spent decades hunched over an oak desk in a shipping company’s lightless front room along with a dozen other sallow men.
  — The Editors, Curbed, 26 Apr. 2021
• That’s because certain species of anglerfish have adopted what might seem like an extreme approach to the vast, lightless dating pool of the deep.
  — Alex Fox, Smithsonian Magazine, 31 July 2020
• More art on the austere lower mezzanine, and on the platforms (another level down), would have enlivened the vast and lightless space.
  — Alexander Nazaryan, Newsweek, 15 Sep. 2015
• 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
• Who knew that wriggling through underwater crevices could be pleasurable, that floating in lightless pockets of rock could be Zen?
  — Joe Morgenstern, WSJ, 7 Oct. 2021
• After the humans arrived, Fred stayed in his lightless bog for millennia as the land was worked above, the forests shaped by fire and the fields sowed with corn, beans, and squash.
  — Peter Brannen, The Atlantic, 22 June 2022
• These tiny waves gradually stretched to hundreds of thousands of light years across as the expanding, lightless universe cooled down following the super-hot instant of inflation.
  — Peter Byrne, Quanta Magazine, 3 July 2014
• 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
• Animals that live exclusively in lightless caves often share a suite of traits, called troglomorphisms, which include loss of pigmentation and loss not only of vision but of the eyes entirely.
  — Gemma Tarlach, Discover Magazine, 11 Oct. 2018
• Toward the end of those years, the Viking and his closest lieutenants were cast into a lightless dungeon, yet nonetheless managed to break out, kidnap the emperor’s mistress and commandeer two galleys.
  — Washington Post, 22 Sep. 2021
• Its grasses and shrubs are beautifully adapted to survive winters in which their days are completely lightless, because the vegetation lies covered in a layer of snow, surviving mostly underground as roots.
  — Matt Simon, Wired, 18 Feb. 2020
• In the city, young homeless people can be chameleons blending in with average New Yorkers by the bright lights of Times Square, the lightless halls of stations and terminals, and the pitch dark of alleys.
  — Nikita Stewart, New York Times, 5 Feb. 2016
• Such black holes would be extremely hard to spot and thus might account for some or all of the universe’s dark matter—an invisible, lightless something that seems to act like gravitational glue, binding together galaxies and galaxy clusters.
  — Jonathan O'Callaghan, Scientific American, 4 June 2026