impenetrability
Americannoun
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the state or quality of being impenetrable.
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Physics. that property of matter by virtue of which two bodies cannot occupy the same space simultaneously.
Etymology
Origin of impenetrability
First recorded in 1655–65; impenetr(able) + -ability
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Meeting after meeting, they repeat the theme: Quintana’s problems may have been exacerbated by the impenetrability of her parents’ bond, or by her mother’s tendency to distance.
From Los Angeles Times ● Apr. 22, 2025
Stewart spent most of her life building a façade of impenetrability and invulnerability, controlling and crafting an image of calm, assured expertise.
From Salon ● Oct. 30, 2024
The picture’s core flaw remains Phoenix’s Napoleonic impenetrability.
From Seattle Times ● Nov. 22, 2023
Within hours, its impenetrability was exposed as flawed.
From BBC ● Oct. 8, 2023
It had an ominous feel to it, a feel of impenetrability.
From "Messenger" by Lois Lowry
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
