impenetrably
Americanadverb
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in a way that cannot be penetrated, seen through, or accessed.
-
in a way that cannot be understood; unfathomably, incomprehensibly.
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.
To the public, Greenspan was known for his impenetrably cryptic speaking style and for the relative tranquility in the American economy during his tenure, which has been termed “the great moderation” despite recurrent short-term crises.
From Los Angeles Times ● Jun. 25, 2026
It was, in the bluntest terms, a story about some attempts to help save the world … through initiatives with impenetrably bureaucratic names, like “the Western Resource Adequacy Program.”
From Seattle Times ● May 7, 2023
Its environments range from arid desertscapes with sand dunes hundreds of feet high to lush tropical rainforests blanketed by impenetrably dense foliage.
From Textbooks ● Apr. 19, 2023
Prestige television often buys into this fractured, impenetrably morose idea of what a family is; Philip Larkin’s famous, withering line about parents is at once true and overused.
From Washington Post ● Feb. 9, 2018
It would have been impenetrably dark within hours.
From "Breadcrumbs" by Anne Ursu
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Get a wordDefinitions 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.
