impenetrable
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.
"I'd be lying if I said I was a completely impenetrable robot," he said.
From BBC • Apr. 10, 2026
Bent on surviving the trip, she decides early to bury her feelings in an impenetrable “garb of stone” and to fashion for herself an imperious personality.
From The Wall Street Journal • Apr. 3, 2026
In season one of “Seinfeld,” Jerry secures his apartment door with what he calls the most impenetrable lock on the market.
From The Wall Street Journal • Apr. 1, 2026
The primary difference between public and private prisons, experts told Salon, is that private prisons operate in an even more impenetrable black box than public prisons.
From Salon • Jan. 28, 2026
He mostly just stares off with a faraway perplexed look on his face, like he’s trying to work through an impenetrable mathematical equation.
From "I'll Give You the Sun" by Jandy Nelson
Vocabulary lists containing impenetrable
The Diary of Anne Frank
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The Alchemist
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Tolkien Reading Day, List 1
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