1
[ adjective ] preventing especially liquids to pass or diffuse through

Examples

"impermeable stone" "an impermeable layer of scum" "a coat impermeable to rain"

Related terms

permeable rubber water-repellent impervious tight

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Similar Spelling

imperturbable imperviable imperishable impermissible impermeability imperial impermissibly imperially imipramine Imperial_beard impermanent imperative imperialist imperialism imperforate impermanence imperceptible Imperato impermanency imperialistic imperial_moth improper imperatively improperness

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