- Proof against penetration or permeation by water;
impervious to water; as, a waterproof garment; a waterproof roof.
2 . Waterproof
[ n.]
- 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.
3 . Waterproof
[ v. t.]
- To render impervious to water, as cloth, leather,
etc.