- present participle of waterproof.
waterproofing
Americannoun
-
a substance by which something is made waterproof.
-
the act or process of making something waterproof.
Etymology
Origin of waterproofing
First recorded in 1835–45; waterproof + -ing 1
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.
On St Kilda, before the archipelago was abandoned in 1930, birds were killed for their meat and also oils for fuel and waterproofing, while the feathers were used for clothing and bedding.
From BBC ● Aug. 3, 2026
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
That part—putting the waterproofing on the pool—may not hurt.
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
Several firms manufacture and sell ready made priming paints and mastics for waterproofing concrete by substantially the above method.
From Concrete Construction Methods and Costs by Halbert Powers Gillette
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
