impermeable
not allowing fluids or gases to pass through; impossible to penetrate
Word origin: From Latin in-, not, plus permeare, to pass through.
Impermeable in a sentence
Here are example sentences showing impermeable in a sentence.
The dam was constructed of impermeable concrete to prevent any seepage.
The vault was lined with a clay barrier impermeable to groundwater.
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Verbal · Text Completion
Critics initially dismissed the composer's late works as merely blank, but later scholars recognized in them a deliberate restraint that concealed considerable technical sophistication.
Using “impermeable” well
Impermeable means not allowing liquids or gases to pass through. It is largely a literal, physical term, in contrast with impervious, which readily extends to figurative imperviousness.
More GRE words starting with I
a person who attacks cherished beliefs or established institutions
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guided by ideals rather than by practical considerations
a peculiar habit or feature distinctive to an individual
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to admire or revere someone to an excessive degree
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