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

All the buildings of Rer are fantastically massive, deep-founded, weatherproof and waterproof.

From "The Left Hand of Darkness" by Ursula K. Le Guin