waterproofing

noun

wa·​ter·​proof·​ing ˈwȯ-tər-ˌprü-fiŋ How to pronounce waterproofing (audio)
ˈwä-
1
a
: the act or process of making something waterproof
b
: the condition of being made waterproof
2
: something (such as a coating) capable of imparting waterproofness

Examples of waterproofing in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The waterproofing of the slabs now appears nearly done, but sealing the gaps has proven more difficult. New York Times, 31 May 2026 The penguin inspiration comes from how the animals manage heat using layered structures, directional insulation, waterproofing, and environmental adaptation. New Atlas, 25 May 2026 These chemicals can compromise birds’ feather integrity, affecting waterproofing and thermoregulation — both essential for survival. Letters To The Editor, San Diego Union-Tribune, 25 May 2026 The tinted waterproofing created patchy shades of blue, according to the documents reported by the Times, with bubbles and small holes appearing in a layer designed to waterproof the Reflecting Pool. Antonio Pequeño Iv, Forbes.com, 16 May 2026 See All Example Sentences for waterproofing

Word History

First Known Use

1820, in the meaning defined at sense 1a

Time Traveler
The first known use of waterproofing was in 1820

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Cite this Entry

“Waterproofing.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/waterproofing. Accessed 9 Jun. 2026.

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