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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Example Sentences
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Recent Examples of impregnable
His party lost a majority of seats in Uttar Pradesh, India’s largest state, once considered an impregnable fortress for his brand of Hindu nationalism and identity politics.
—
Pratap Bhanu Mehta, Foreign Affairs, 14 June 2024
Once when told that a certain French fortress was impregnable and once when told that his mother-in-law had died.
—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
See All Example Sentences for impregnable
Pratap Bhanu Mehta, Foreign Affairs, 14 June 2024
Once when told that a certain French fortress was impregnable and once when told that his mother-in-law had died.
—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
See All Example Sentences for impregnable
Recent Examples of Synonyms for impregnable
Adjective
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Yes, football provides an excellent metaphor for the preparation, perseverance, teamwork, focus on fundamentals and an invincible heart required to live boldly.—
Contributed Content,
Twin Cities,
7 Feb. 2025
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With his directing partner and brother, Anthony Russo, Joe Russo has helmed some of the most successful blockbusters of the 21st century under the once invincible Marvel banner.—
Jack Dunn,
Variety,
16 Mar. 2025
Adjective
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Select plants with dense habits and thick cover to outcompete weeds that germinate in these border plantings.—
Kim Toscano,
Southern Living,
5 Apr. 2025
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The dense haze of Viceroys is established and commented upon early, then is discreetly reduced.—
Frank Rizzo,
Variety,
4 Apr. 2025
Adjective
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An e-mail publication was invulnerable to the caprices of social-media platforms and their algorithms.—
Nathan Heller,
The New Yorker,
15 Mar. 2025
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No authentication mechanism is invulnerable to exploitations.—
Ranjitkumar Sivakumar,
Forbes,
4 Mar. 2025
Adjective
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In this archetype, the leader is a stoic force—strong, steady, and impenetrable.—
Julian Hayes II,
Forbes,
24 Mar. 2025
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His manifesto, dismissed in the 1990s as impenetrable, is now the subject of YouTube videos drawing millions of views apiece.—
Charles Homans,
New York Times,
22 Mar. 2025
Adjective
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Pitt’s tattoos include the first initials of each of his family members, a set of lines designed by the 49-year-old Maria actress, his ex-wife’s birthday, an outline of Ötzi the Iceman and the Latin word Invictus, which means unconquerable.—
Angel Saunders,
People.com,
11 Feb. 2025
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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
Adjective
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But these concepts are not, on their own, impervious to challenge.—
Michael Peregrine,
Chicago Tribune,
14 Mar. 2025
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Remember, Nathan isn’t strong, just impervious to pain.—
Peter Debruge,
Variety,
8 Mar. 2025
Adjective
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Initially intended as a technological marvel to rival Concorde, the Anglo-French supersonic aircraft, development of Boeing 2707 faced insurmountable technical and economic challenges and was ultimately aborted: a failure of industrial policy to balance ambition with feasibility.—
Made by History,
Time,
1 Apr. 2025
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The Cavaliers present insurmountable challenges of their own (New York is 0-2 against Cleveland this season) but are viewed as a less daunting second-round opponent than Boston — a franchise fresh off its first title in the Jayson Tatum-Jaylen Brown era.—
Kristian Winfield,
New York Daily News,
28 Mar. 2025
Adjective
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So many roads across Kentucky were impassable due to flooding over the weekend that the state ran out of road-closing barriers, the Hardin County sheriff said.—
Mary Gilbert,
CNN Money,
7 Apr. 2025
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Hundreds of Kentucky roads across the state were impassable because of floodwaters, downed trees or mud and rock slides.—
Bruce Schreiner and Obed Lamy,
Los Angeles Times,
6 Apr. 2025
Cite this Entry
“Impregnable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impregnable. Accessed 15 Apr. 2025.
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