Not pervious; not admitting of entrance or passage through; as, a substance impervious to water or air.
im
The lead wall was impervious to radiation. He is impervious to her bad temper.
Impenetrable is a synonym for impervious.
i am impervious to your insults
Wearing her kevlar jacket, Ash was impervious to any bullets fired at her.
The rain poured down, but the impervious roof kept us dry.
I am impervious from bullets and I destroyed the robbers.
Due to his trauma, the man was impervious to pain. The concrete floor was impervious to rain. The center for NORAD is buried under Cheyenne Mountain, and designed to be nearly impervious to nuclear attack.
A garden fish-pond needs an impervious lining.
Proof against penetration or permeation by water; impervious to water; as, a waterproof garment; a waterproof roof., A substance or preparation for rendering cloth, leather, etc., impervious to water., Cloth made waterproof, or any article made of such cloth, or of other waterproof material, as rubber; esp., an outer garment made of such material., To render impervious to water, as cloth, leather, etc.
The book is so well researched it's impervious to criticism.
waterproof