Antonyms of noun impermeability

1 sense of impermeability

Sense 1
impermeability, impermeableness -- (the property of something that cannot be pervaded by a liquid)
       Antonym of permeability (Sense 1)
      => permeability, permeableness -- (the property of something that can be pervaded by a liquid (as by osmosis or diffusion))

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun impermeability

1 sense of impermeability

Sense 1
impermeability, impermeableness -- (the property of something that cannot be pervaded by a liquid)
       => solidity, solidness -- (the consistency of a solid)