impenetrably

[im-pen-i-truhb-lee]

adverb

1. in a way that cannot be penetrated, seen through, or accessed.

2. in a way that cannot be understood; unfathomably, incomprehensibly.

Example Sentences

For a little under a year, she went through treatment, and steadily she changed — she became sour, nihilistic and impenetrably dark, just like the rest of us.

Read more on New York Times

In part that’s because of their concision — he typically writes short lines and never too many — and in part because they build an almost impenetrably tight argument through structure and sound.

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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.”

Read more on Seattle Times

Dillon’s forays into what he calls “the mundane miracle of looking” are both impenetrably personal and so rigorously attentive to the external world that the critic sometimes seems to dissolve into the art.

Read more on Washington Post

Previously, such an effort had been considered useless because the island’s forests are so dense with understory that its contours are impenetrably shrouded.

Read more on Seattle Times