- 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.
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
They fetch only a few pence per ℔, and are utilized for waterproofing purposes.
From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
