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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.

See Examples For:

With extreme weather events becoming increasingly frequent as a result of climate change, the Netherlands will have to rethink a strategy that has until now been "waterproof."

From Barron's Aug. 15, 2026

Despite the "frightening" situation, Marley remained calm and used a mobile phone kept in a waterproof pouch to contact his nan on shore, who called 999.

From BBC Jun. 10, 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

It was supposed to be waterproof, but the way their luck was going … The screen lit up and immediately picked up a satellite.

From "Storm Runners" by Roland Smith

Remember to take wellies, waterproofs and warm layers in case the weather takes a turn or gets cold at night.

From BBC Jun. 15, 2025

But, in a country with an average annual rainfall of 55 inches, waterproofs are never a bad idea...

From BBC May 22, 2024

I packed as I would for a hostile assignment: Layers and waterproofs to account for the notoriously moody weather.

From Seattle Times Sep. 15, 2022

When the weather turned sour, as it has the tendency to do in Scotland, Timberlake was prepared with a pair of waterproofs from Ralph Lauren RLX, a G/FORE umbrella and a matching Clubglove golf towel.

From Golf Digest Sep. 28, 2019

Worst of all, you don’t even stay dry; the waterproofs keep out the rain but make you sweat so much that soon you are clammily sodden.

From "A Walk in the Woods" by Bill Bryson

The entire audience area was gutted and rebuilt, new foundations were poured in the basement and spaces were waterproofed.

From Los Angeles Times Sep. 23, 2024

Teflon was also used to make the DEG, which was waterproofed and covered with a conductive fabric to act as the electrodes.

From Science Daily Jan. 17, 2024

They are used in thousands of common household products, particularly those that are meant to be waterproofed or stain-resistant.

From Salon Nov. 13, 2023

Jeep’s are meant to be taken off-road, and as such, the company claims its electronic are properly sealed and waterproofed.

From The Verge Sep. 29, 2021

He has galoshes that buckle on over his shoes instead of leather boots waterproofed with bacon grease.

From "Cat's Eye" by Margaret Atwood

At 443 Greenwich, the offering plan called for a brand new “green roof” with multiple layers of waterproofing, but condo owners alleged that the roof actually installed was a cheaper version.

From The Wall Street Journal Jul. 10, 2026

The other thing—the much better-known thing—is that they’re putting a waterproofing coating down at the bottom of the pool.

From Slate Jun. 4, 2026

Seabirds are especially at risk because oil destroyed the waterproofing of their feathers, leading to hypothermia and drowning.

From Barron's Mar. 17, 2026

To answer those questions, the research team examined previously unstudied materials recovered with the vessel, including cordage and waterproofing caulk.

From Science Daily Feb. 16, 2026

Hydrolithic Coating.—This waterproofing is a dry mortar composed by mixing a cementing compound with sand, and sold dry in sacks containing 96 lbs. each.

From Concrete Construction Methods and Costs by Halbert Powers Gillette




Vocabulary lists containing waterproof


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