impenetrable

adjective

im·pen·e·tra·ble | \ (ˌ)im-ˈpe-nə-trə-bəl

Definition of impenetrable

1a : incapable of being penetrated or pierced

b : inaccessible to knowledge, reason, or sympathy : impervious

2 : incapable of being comprehended : inscrutable

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Examples of impenetrable in a Sentence

The fort's defenses were thought to be impenetrable. the ancient temple was surrounded by vast stretches of impenetrable jungle

Recent Examples on the Web

Another factor is the nearly impenetrable landscape, known as valley thicket. — New York Times, "Where Female Elephants Without Tusks Roam — and Poachers Stay Away," 16 June 2018 But the effect of the deployment has been felt most significantly among undocumented migrants, who now see a more impenetrable Mexico. — New York Times, "Mexico’s Crackdown at Its Southern Border, Prompted by Trump, Scares Migrants From Crossing," 24 June 2019 The basement was engulfed in a black, impenetrable fog. — Deanna Pan, BostonGlobe.com, "‘I can’t be naive anymore’: Targeted by arson fires, Mass. rabbis face anti-Semitism at home," 24 June 2019 The somewhat impenetrable process by which regions assign housing targets to municipalities tends to leave larger cities holding the rope; small, wealthy suburban communities often have laughably low targets. — James Sutton, National Review, "The California Housing Crisis and the Problem with Local Control," 19 June 2019 Through it all, Fails maintains a serene and poignant presence, skateboarding from situation to situation with (usually) impenetrable calm. — The Washington Post, The Mercury News, "Review: ‘Last Black Man’ is a lyrical, beautiful ode to loss," 13 June 2019 An earth mother with an impenetrable aura of self-containment, she’s been deeply traumatized by her direct involvement in Perry’s death and her inability to share what happened with her husband and daughter. — Sophie Gilbert, The Atlantic, "The Family Values of Big Little Lies," 7 June 2019 In contrast, when the first design of the Obama Center was unveiled last year, its museum tower was widely panned as an impenetrable monolith. — Blair Kamin, chicagotribune.com, "The message of material: How the Obama Center gets built looms large," 18 May 2018 New York City’s $32 million effort to reduce its rat population includes reducing their food supply with impenetrable garbage cans and smoking them out of their burrows with dry ice. — Katie Honan, WSJ, "New City Rat Controls Put a Chill on Population Growth," 6 Apr. 2019

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