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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.

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

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

And much like his newly purchased pad, Simmons’ former home “utilizes solar-power for pool and radiant heated flooring, eco-materials and fire-resistant, waterproof triple-panel windows.”

From MarketWatch • Feb. 27, 2026

The walls were woven from plant material, like a Native American hut, but they looked pretty waterproof.

From "The Sea of Monsters" by Rick Riordan




Vocabulary lists containing waterproof