Antonyms of noun permeability

1 sense of permeability

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

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

1 sense of permeability

Sense 1
permeability, permeableness -- (the property of something that can be pervaded by a liquid (as by osmosis or diffusion))
       => porosity, porousness -- (the property of being porous; being able to absorb fluids)