How to Use impenetrable in a Sentence

impenetrable

adjective
  • The fort's defenses were thought to be impenetrable.
  • The basement was engulfed in a black, impenetrable fog.
    Deanna Pan, BostonGlobe.com, 24 June 2019
  • Or about finding a solution to some impenetrable physics equation.
    David Lyman, Cincinnati.com, 12 Aug. 2019
  • Within moments, he was swept over the enormous waterfall, vanishing into the impenetrable cloud of mist rising from the gorge.
    Allyson Chiu, BostonGlobe.com, 10 July 2019
  • But for all its traditionalist trappings, her work was neither old-fashioned nor impenetrable.
    Harrison Smith, Washington Post, 8 July 2019
  • Nadal’s game, built on heavy spins and high bounces, is always problematic for Federer on clay but was impenetrable that day in those conditions.
    Dan Wolken, USA TODAY, 11 July 2019
  • Although the series has been hailed by many critics and fans, others have found the material not only challenging but impenetrable.
    Greg Braxton, latimes.com, 24 June 2019
  • Long ago, before billionaires created an impenetrable wall that now prevents access to the beach, the Lofthus was an easy shipwreck to explore.
    John Christopher Fine, sun-sentinel.com, 21 June 2019
  • The generic name, dulaglutide, is more of a tongue twister, a seeming mishmash of syllables that’s probably impenetrable to most patients.
    Los Angeles Times, 23 July 2019
  • The Great Dismal Swamp was once an impenetrable morass where explorers vanished and runaway slaves escaped.
    Washington Post, 26 June 2019
  • When this happens, the meltwater can refreeze into hard layers of ice over the winter, forming an impenetrable barrier just below the surface.
    Chelsea Harvey, Scientific American, 2 Aug. 2019
  • The show had felt like this impenetrable wall to get through.
    Hilton Dresden, The Hollywood Reporter, 25 June 2022
  • The border has been closed and made impenetrable in the movie.
    Los Angeles Times, 2 Sep. 2021
  • The front of the Wild’s net was almost impenetrable at times and even when the team’s structure did start to loosen, Stalock was there with the save.
    Sarah McLellan, Star Tribune, 3 Aug. 2020
  • Tokyo, like all places, is impenetrable to those who don’t take the time to learn its ways on their own terms.
    Daniel D'addario, Variety, 4 Apr. 2022
  • Which may be true, but the right-wing bubble isn’t nearly as impenetrable as the one on the left.
    Christian Schneider, National Review, 8 Feb. 2024
  • And this didn’t have to look like the impenetrable bubble from the Tokyo and Beijing days.
    Christa Sgobba, SELF, 2 Aug. 2024
  • But great ear buds — even ones tiny enough to sit in your ears — don’t have to be impenetrable.
    Washington Post, 8 Oct. 2019
  • And the Dakota set a bar for New York living - and for the city's impenetrable co-op boards.
    Lavanya Ramanathan, chicagotribune.com, 23 Aug. 2019
  • But the impenetrable bond between the public and the late Queen did not extend to the monarchy as a whole, so where does that leave King Charles?
    Victoria Murphy, Town & Country, 1 May 2023
  • As impenetrable as the chorus sounds, the duo cut through.
    Justin Curto, Vulture, 6 Feb. 2021
  • Inside, the gem is housed in a glass case that is also an impenetrable vault.
    Beth Py-Lieberman, Smithsonian Magazine, 26 Sep. 2023
  • Jen was in She-Hulk form then, so her skin was impenetrable.
    Chris Smith, BGR, 1 Oct. 2022
  • The area, over four hundred acres, had been impenetrable until 2019, when the city opened Shirley Chisholm State Park.
    The New Yorker, 1 Sep. 2023
  • Gobert played some of his most impenetrable defense in the post and on the perimeter.
    Bennett Durando, The Denver Post, 15 May 2024
  • But in time, clouds came to seem impenetrable and rain inevitable.
    Washington Post, 16 Jan. 2021
  • The jungle is wet and muddy and at times can seem impenetrable.
    Tom Stienstra, SFChronicle.com, 11 Oct. 2019
  • The leaves were employed as an impenetrable thatch for dwellings, their hard fibers were used to produce strong cords, and the thorns were made into pins and needles.
    Janet Marinelli, Wired, 19 Feb. 2022
  • Will this tour win over new fans to Soul Coughing’s sometimes impenetrable music?
    Jeff Miller, Variety, 12 Sep. 2024
  • Indeed, there’s something altogether impenetrable about Pavement’s shaggy, brilliant lead man, which may explain some of the fascination the band has held over the years.
    Jordan Mintzer, The Hollywood Reporter, 4 Sep. 2024

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'impenetrable.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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