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Showing results for impermeable. Search instead for semipermeabel.
Definitions

impermeable

[im-pur-mee-uh-buhl] / ɪmˈpɜr mi ə bəl /


Example Sentences

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The ancient, ultra-hard material before them was, to most things, completely impermeable.

From BBC ● Aug. 18, 2026

Although scientists once believed that the placenta was a tight, impermeable barrier separating mother and child, that’s not true.

From The Wall Street Journal ● Nov. 4, 2025

Decades of rapid urban development have encased the city with impermeable concrete surfaces that hinder the natural drainage of water.

From Los Angeles Times ● Aug. 10, 2025

It is the fantasy of an impermeable barrier that allows one’s purity to remain unsullied.

From Salon ● Oct. 17, 2024

But it is illusion to think that there is anything fragile about the life of the earth; surely this is the toughest membrane imaginable in the universe, opaque to probability, impermeable to death.

From "The Lives of a Cell" by Lewis Thomas


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