as in mysteriousness
the quality or state of being impossible to know, understand, or explain
the impenetrability of her prose is apparently the basis of her appeal to literary snobs
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Recent Examples of impenetrability
The impenetrability of the NBA bubble appeared to provide a foolproof solution to the stops and starts (due to the coronavirus pandemic) that had shortened Major League Baseball’s season and forced several major college-football conferences to cancel their season.
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Michael Weinreb, The Atlantic, 27 Aug. 2020
During a carefree conversation between his character Daniel, recently released from prison, and Daniel’s best friend Fonny (Stephan James), Henry dissolves a loud and jolly exterior into a quiet impenetrability when the pair discuss the horrors of jail.
—Nate Jones, Vulture, 21 Nov. 2020
Russell considers how Cruise’s longevity — the sheer volume of years he’s spent as Hollywood’s most successful weirdo — has given him a degree of impenetrability.
—Chloe Walker, Longreads, 1 July 2022
Multiple civilizations of Indigenous people have called the canyon home thanks to its abundance of water, fertile soils, and fortress-like impenetrability from intruders.
—Dr. Len Necefer, Outside Online, 13 Dec. 2022
See all Example Sentences for impenetrability 
Michael Weinreb, The Atlantic, 27 Aug. 2020
During a carefree conversation between his character Daniel, recently released from prison, and Daniel’s best friend Fonny (Stephan James), Henry dissolves a loud and jolly exterior into a quiet impenetrability when the pair discuss the horrors of jail.
—Nate Jones, Vulture, 21 Nov. 2020
Russell considers how Cruise’s longevity — the sheer volume of years he’s spent as Hollywood’s most successful weirdo — has given him a degree of impenetrability.
—Chloe Walker, Longreads, 1 July 2022
Multiple civilizations of Indigenous people have called the canyon home thanks to its abundance of water, fertile soils, and fortress-like impenetrability from intruders.
—Dr. Len Necefer, Outside Online, 13 Dec. 2022
See all Example Sentences for impenetrability
Thesaurus Entries Near impenetrability
Cite this Entry
“Impenetrability.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impenetrability. Accessed 14 Jan. 2025.
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