1
as in invincible
incapable of being defeated, overcome, or subdued
an impregnable fortress that had foiled one invader after another over the centuries
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2
as in dense
impossible to get through or into
the castle's supposedly impregnable walls
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Recent Examples of impregnable
Once when told that a certain French fortress was impregnable and once when told that his mother-in-law had died.
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Andrew Stuttaford, National Review, 25 Mar. 2024
Inflation is a currency phenomenon, which means that Summers et al are floating non sequiturs rooted in the absurd notion that the U.S. economy is an impregnable island of economic activity, as opposed to an interconnected part of a global whole.
—John Tamny, Forbes, 25 Feb. 2024
Some Wall Street analysts agree with Belloni and his tweet that the fact Netflix’s competitors license content to it is a sign of its impregnable position atop the streaming heap.
—Paolo Confino, Fortune, 7 Jan. 2024
The monster acts with the implacable, impregnable logic of a natural disaster.
—Robert Rubsam, New York Times, 4 Jan. 2024
See all Example Sentences for impregnable 
Andrew Stuttaford, National Review, 25 Mar. 2024
Inflation is a currency phenomenon, which means that Summers et al are floating non sequiturs rooted in the absurd notion that the U.S. economy is an impregnable island of economic activity, as opposed to an interconnected part of a global whole.
—John Tamny, Forbes, 25 Feb. 2024
Some Wall Street analysts agree with Belloni and his tweet that the fact Netflix’s competitors license content to it is a sign of its impregnable position atop the streaming heap.
—Paolo Confino, Fortune, 7 Jan. 2024
The monster acts with the implacable, impregnable logic of a natural disaster.
—Robert Rubsam, New York Times, 4 Jan. 2024
See all Example Sentences for impregnable
Recent Examples of Synonyms for impregnable
Adjective
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That counted for something, especially when Djokovic made the Rod Laver Arena his invincible version of Nadal's Philippe Chatrier.Tim Ellis, Forbes, 28 Nov. 2024
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Murderous snowmen who are invincible except for one kind of funny weakness?Bill Goodykoontz, The Arizona Republic, 13 Nov. 2024
Adjective
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Photo : Will Myers The swimming pool is positioned below the house, where it’s surrounded by dense greenery.Demetrius Simms, Robb Report, 13 Dec. 2024
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Parts of the dense, equatorial mainland, as well as the islands that lay off the shore of the nascent capital, Cayenne, would be turned into labor camps and prisons for the most serious criminal offenders in mainland France.Rob Crossan, JSTOR Daily, 13 Dec. 2024
Adjective
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Those who’ve faced adversity may feel the pressure to always appear strong or invulnerable, yet pushing yourself too hard can lead to burnout.Marian Evans, Forbes, 5 Dec. 2024
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For the sake of the long-term viability of this series, Matty shouldn’t be invulnerable.Noel Murray, Vulture, 17 Oct. 2024
Adjective
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There’s almost nothing more annoying than when your jewelry gets tangled up into an impenetrable knot, but that headache can be avoided by investing in the Bagsmart Jewelry Travel Organizer, one of our favorites, that’s now on sale for $14.Asia London Palomba, Travel + Leisure, 29 Nov. 2024
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And Starkey, playing the aloof and impenetrable Allerton, has also earned acclaim for his breakout feature role.Kevin Dolak, The Hollywood Reporter, 27 Nov. 2024
Adjective
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Even the most vulnerable patrons of an unforgiving desert can confront tribulation with the command of unconquerable spirits.Yahya Salem, CNN, 6 Aug. 2024
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By contrast, the Tibetan language, which has nothing in common with Mandarin, remains doggedly unconquerable; unlike other aspects of Tibetan life, it has not been tamed, co-opted, or Sinicized.Tenzin Dorjee, Foreign Affairs, 28 Nov. 2023
Adjective
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Like how a family typically has a head of the household with final decision-making power, leaders seeking to emulate this environment may feel impervious to dissent.Kate Wieczorek, Forbes, 30 Oct. 2024
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Chief among its design is its challenging AI that seems impervious to previous game exploits like charging your chi from a safe distance and cheesing damage by unleashing raw supers.Isaiah Colbert, Rolling Stone, 9 Oct. 2024
Adjective
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At a time when our planetary problems can seem insurmountable, this trip was a welcome reminder that the universe is vast and full of wonder beyond my imagination.Jessica Hullinger, theweek, 27 Nov. 2024
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Ohio State is a blue-blood monolith of roster talent and depth that seems insurmountable.The Athletic, The Athletic, 21 Nov. 2024
Adjective
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The Jamaica Public Service, the island’s electricity provider, said in a statement late Tuesday that impassable roads were preventing crews from restoring power in some areas.Andrea Rodríguez, Los Angeles Times, 6 Nov. 2024
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Their condominium buildings ended up receiving a foot of water, and many streets still remained underwater and impassable by mid-afternoon on Friday, Sept. 27, as the couple walked four miles to try to retrieve their cars.Diane Herbst, People.com, 27 Sep. 2024
Thesaurus Entries Near impregnable
Cite this Entry
“Impregnable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impregnable. Accessed 21 Dec. 2024.
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