Synonyms of waterproof

waterproof 1 of 2

adjective

ˈwȯ-tər-ˌprüf 

as in leakproof

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 & Similar Words

• leakproof
• staunch
• waterproofed
• water-resistant
• watertight
• weatherproof
• rainproof
• water-repellent
• nonabsorbent
• nonporous

Antonyms & Near Antonyms

• porous
• absorbent
• leaky

waterproof

2 of 2

noun

chiefly British

as in slicker

a coat made of water-resistant material

remember your waterproof if you're walking around London in the winter

Synonyms & Similar Words

• slicker
• raincoat
• trench
• oilskin
• mac
• mackintosh
• rain gear
• rainwear
• trench coat
• poncho
• sou'wester

Example Sentences

Recent Examples of waterproof

Adjective

Benally, an assistant professor at Utah State University, has been coordinating deliveries of bottled water, waterproof boots, toiletries and other supplies to shelters. — Christopher Weber, Chicago Tribune, 3 Nov. 2026

For longer wear, makeup artist Natalie Dresher recommends a waterproof nude lip liner extended across the entire mouth rather than only the edges. — Ashley Lynch, Miami Herald, 3 Nov. 2026

Noun

Arc’teryx said the Sperro SV jacket was developed with Gore-Tex testing expertise and is made to meet Gore-Tex’s durable waterproof, windproof and breathable performance standards. — Arthur Zaczkiewicz, Footwear News, 28 Aug. 2026

Finally, cover outlets that aren’t waterproof-rated, advises Dewey. — Louise Parks, Martha Stewart, 1 Aug. 2026