- 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.
That part—putting the waterproofing on the pool—may not hurt.
From Slate ● Jun. 4, 2026
The combination will bring together QXO’s leading positions in roofing, waterproofing, lumber-related building materials, and associated products with TopBuild’s insulation capabilities.
From The Wall Street Journal ● Apr. 20, 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
The works then progresses over the following months to bridge waterproofing, concrete repairs, resurfacing, expansion joint replacements, edge beam strengthening, and barrier upgrades.
From BBC ● Sep. 7, 2025
For these reasons any discussion of waterproofing for concrete is at the present time bound to be unsatisfactory.
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.
