impermeabel Âundurchdringbar Âundurchdringlich Âundurchlässig |
dicht Âhermetisch Âluftdicht Âundurchdringlich Âundurchlässig |
Impervious (a.) Not pervious |
impervious imperviable | not admitting of passage or capable of being affected, a material impervious to water, someone impervious to argument |