wa·ter·proof
ˈwȯ-tər-ˌprüf 
ˈwä-
: impervious to water
especially
: covered or treated with a material (such as a solution of rubber) to prevent permeation by water
waterproofness
noun
waterproofed; waterproofing; waterproofs
: to make waterproof
waterproofer
noun
Synonyms
Examples of waterproof in a Sentence
Adjective
This suntan lotion is waterproof.
luckily, my backpack is waterproof, so my clothes didn't get wet
Noun
remember your waterproof if you're walking around London in the winter
Verb
He waterproofed the deck by applying sealer to it.
Recent Examples on the Web
New Atlas, 8 Sep. 2024
The brush is water-resistant, though not waterproof.
—Jenny Berg, Vogue, 8 Sep. 2024
Olivia Cigliano, WWD, 26 July 2024
The eight-piece collection comes with chairs, a loveseat, sofa, and a table, plus waterproof covers for everything.
—Blake Bakkila, Architectural Digest, 17 July 2024
Ed Stannard, Hartford Courant, 6 July 2024
Female oil-collecting bees, for example, mix plant oils (instead of nectar) with pollen to nourish their young and ingeniously use these oils to waterproof their nests.
—Melissa Rae Sanger, The Mercury News, 27 June 2024
See all Example Sentences for waterproof 
Adjective
The wallpaper is coated in waterproof fiberglass and able to adorn the wall of the shower without deteriorating.
—New Atlas, 8 Sep. 2024
The brush is water-resistant, though not waterproof.
—Jenny Berg, Vogue, 8 Sep. 2024
Noun
Our panel of testers also assessed special features in waterproof and curling mascaras to select the best options in each formula category.
—Olivia Cigliano, WWD, 26 July 2024
The eight-piece collection comes with chairs, a loveseat, sofa, and a table, plus waterproof covers for everything.
—Blake Bakkila, Architectural Digest, 17 July 2024
Verb
The tent had been waterproofed with a mixture of 6,000 gallons of gasoline and and 1,800 pounds of paraffin wax.
—Ed Stannard, Hartford Courant, 6 July 2024
Female oil-collecting bees, for example, mix plant oils (instead of nectar) with pollen to nourish their young and ingeniously use these oils to waterproof their nests.
—Melissa Rae Sanger, The Mercury News, 27 June 2024
See all Example Sentences for waterproof
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'waterproof.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near waterproof
Cite this Entry
“Waterproof.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/waterproof. Accessed 20 Sep. 2024.
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