"imperviousness" in German imperviousness Undurchlässigkeit Dichtheit Dichtigkeit Detailed translations for "imperviousness" imperviousness imperviousness(also: tightness, impermeability, impermeableness) die Undurchlässigkeit{feminine} imperviousness(also: tightness, impermeability, impermeableness) die Dichtheit{feminine} imperviousness(also: denseness, compactness, tightness, impermeability) die Dichtigkeit{feminine} English synonyms for "imperviousness" imperviousness {n} impenetrability