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

Rubber was popular in the early 19th century because it was waterproof and flexible.

From The Wall Street Journal • Apr. 4, 2026

Bees, however, often coat their nests with a waxy secretion that creates a waterproof, polished interior.

From Science Daily • Apr. 3, 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

Kropp wrapped his in his waterproof sheet and put it under his head, but he cannot sleep because they run over his face to get at it.

From "All Quiet on the Western Front: A Novel" by Erich Maria Remarque