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Definitions

waterproof

[waw-ter-proof, wot-er-] / ˈwɔ tərˌpruf, ˈwɒt ər- /
ADJECTIVE
impervious to water
Synonyms
Antonyms
WEAK


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.

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 says there's lots of information out there about what to pack and stresses that good-quality waterproof clothing doesn't have to be expensive.

From BBC • Feb. 28, 2026

And on the beach the white and blue canoes that came from Nayarit were drawn up, canoes preserved for generations by a hard shell-like waterproof plaster whose making was a secret of the fishing people.

From "The Pearl" by John Steinbeck




Vocabulary lists containing waterproof


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