waterproof Meaning, Definition & Usage

  1. noun any fabric impervious to water
  2. noun a water-resistant coat
    raincoat.
  3. verb make watertight
    • Waterproof the coat
  4. adjective satellite not permitting the passage of water
    rainproof; waterproofed.

WordNet

Wa"ter*proof` adjective
Definitions
  1. Proof against penetration or permeation by water; impervious to water; as, a waterproof garment; a waterproof roof.
Wa"ter*proof` noun
Definitions
  1. A substance or preparation for rendering cloth, leather, etc., impervious to water.
  2. 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.
Wa"ter*proof` transitive verb
Definitions
  1. To render impervious to water, as cloth, leather, etc.

Webster 1913