impenetrability
noun
im·pen·e·tra·bil·i·ty
(ˌ)im-ˌpe-nə-trə-ˈbi-lə-tē 
1
: the quality or state of being impenetrable
2
: the inability of two portions of matter to occupy the same space at the same time
Examples of impenetrability in a Sentence
the impenetrability of her prose is apparently the basis of her appeal to literary snobs
Recent Examples on the Web
As a result, the impenetrability of EU bureaucracies will continue to limit the United States’ ability to restructure transatlantic economic relations.
—
Jennifer Kavanagh, Foreign Affairs, 30 Sep. 2025
This may be Riley’s attempt to portray the insularity and impenetrability of Ruth’s community, a faith so particular that even the reader is denied access to it.
—Hannah Gold, New Yorker, 29 Aug. 2025
For certain travelers, though, especially those who gravitate toward conflict zones and geopolitical oddities, Turkmenistan’s impenetrability has given it an alluring mystique.
—Joe Yogerst, CNN Money, 31 July 2025
Played with gruff impenetrability and a thinly veiled sadistic streak by David Shih, this big dog’s name is Mitsuo, but no one uses names in the heya — only ranks.
—Sara Holdren, Vulture, 5 Mar. 2025
See All Example Sentences for impenetrability
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Jennifer Kavanagh, Foreign Affairs, 30 Sep. 2025
This may be Riley’s attempt to portray the insularity and impenetrability of Ruth’s community, a faith so particular that even the reader is denied access to it.
—Hannah Gold, New Yorker, 29 Aug. 2025
For certain travelers, though, especially those who gravitate toward conflict zones and geopolitical oddities, Turkmenistan’s impenetrability has given it an alluring mystique.
—Joe Yogerst, CNN Money, 31 July 2025
Played with gruff impenetrability and a thinly veiled sadistic streak by David Shih, this big dog’s name is Mitsuo, but no one uses names in the heya — only ranks.
—Sara Holdren, Vulture, 5 Mar. 2025
See All Example Sentences for impenetrability
Cite this Entry
“Impenetrability.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/impenetrability. Accessed 31 Oct. 2025.
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