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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:

"Some of these diving birds' feathers seem to have been modern-looking and waterproof, but they also had some smaller, fuzzy, primitive body feathers that we associate with dinosaurs and enantiornithines," says O'Connor.

From Science Daily Sep. 11, 2026

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

Many still made it through, planning their crossings with waterproof bags for phones, cash and other essentials.

From The Wall Street Journal Aug. 9, 2026

The first of its kind in the UK, the outdoor ward has enough space for six patients, who can be connected to power and oxygen supplies housed in a waterproof box next to each bed.

From BBC May 29, 2026

Her new body was waterproof, and her new body could fight.

From "The Wild Robot Protects" by Peter Brown

"If I get wet, I get wet. I just don't like wearing waterproofs, 'cos you sweat too much."

From BBC Mar. 16, 2026

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

There's a crackling of waterproofs as tourists rush to pull cameras and phones from their pockets.

From BBC Apr. 2, 2018

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

As Google showed, that doesn’t necessarily require adding an extra physical key that has to be waterproofed.

From The Verge Jul. 30, 2022

The new equipment also included the most sophisticated metal detectors ever invented and waterproofed iPads that enabled the team’s divers to map the location of each new artifact that was discovered in real time.

From "Shipwrecked!" by Martin W. Sandler

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

Their analysis showed that the waterproofing material was made from animal fat mixed with pine pitch.

From Science Daily Feb. 16, 2026

Waterproofing.—The waterproofing of the structure proved a serious problem.

From Concrete Construction Methods and Costs by Halbert Powers Gillette




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