waterproof
waterproof
adjectiveDefinition of WATERPROOF
made of or treated with material that does not allow water to penetrate <luckily, my backpack is waterproof, so my clothes didn't get wet>
Synonyms leakproof, waterproofed
Related Words rainproof; water-repellent, water-resistant; staunch (also stanch), watertight; nonabsorbent, nonporous; weatherproof
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