Impervious vs. Impermeable

Imperviousadjective

Unaffected or unable to be affected by.

Imperviousadjective

Preventive of any penetration; impenetrable, impermeable, particularly of water.

Imperviousadjective

Immune to damage or effect.

Imperviousadjective

Not pervious; not admitting of entrance or passage through; as, a substance impervious to water or air.

Imperviousadjective

not admitting of passage or capable of being affected;

Imperviousadjective

not allowing fluid to pass through

Imperviousadjective

unable to be affected by

Impermeableadjective

Impossible to permeate.

Impermeableadjective

Not allowing passage, especially of liquids; waterproof.

Impermeableadjective

Not permeable; not permitting passage, as of a fluid. through its substance; impervious; impenetrable; as, India rubber is impermeable to water and to air.

Impermeableadjective

preventing especially liquids to pass or diffuse through;