impermeable
— Adjective
– English
~ preventing especially liquids to pass or diffuse through; "impermeable stone"; "an impermeable layer of scum"; "a coat impermeable to rain"
impermeableness
— Noun
– English
~ the property of something that cannot be pervaded by a liquid
impermissibility
— Noun
– English
~ inadmissibility as a consequence of not being permitted