waterproof

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The mattress should be firm, flat and waterproof.

From BBC • May 5, 2026

A waterproof coating allows the cathode to keep functioning, and the vertical layout helps it dry gradually after water recedes.

From Science Daily • Apr. 19, 2026

She invented a reusable, waterproof diaper cover made first from a shower curtain and later from nylon parachute cloth, into which mothers could insert a cloth diaper pad.

From The Wall Street Journal • Apr. 9, 2026

Elon Musk tweeted in 2022 that the Cybertruck “will be waterproof enough to serve briefly as a boat.”

From Los Angeles Times • Mar. 19, 2026

He used to teach at the university, too, but then his family sold some patent or something, for some kind of waterproof material, and he got rich and quit.

From "A Heart in a Body in the World" by Deb Caletti