from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Impervious to or unaffected by water.
- adj. Made of or coated or treated with rubber, plastic, or a sealing agent to prevent penetration by water.
- n. A material or fabric that is impervious to water.
- n. Chiefly British A raincoat or other such outer garment.
- transitive v. To make impervious to water.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Unaffected by water.
- adj. Made of or covered with material that doesn't allow water in.
- v. To make waterproof or water-resistant.
from the GNU version of the Collaborative International Dictionary of English
- adj. Proof against penetration or permeation by water; impervious to water.
- n. A substance or preparation for rendering cloth, leather, etc., impervious to water.
- n. 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.
- transitive v. To render impervious to water, as cloth, leather, etc.
from The Century Dictionary and Cyclopedia
- Impervious to water, or nearly so
- n. Any material which repels water; especially, a light woolen cloth made for the purpose, and subjected to some waterproofing application.
- n. A garment of some material that repels water, made either of waterproof , or of mackintosh or a similar material made with india-rubber.
- To render impervious to water, as cloth, leather, etc.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a water-resistant coat
- adj. not permitting the passage of water
- n. any fabric impervious to water
- v. make watertight
water + -proof (Wiktionary)