waterproofing

noun

wa·​ter·​proof·​ing ˈwȯ-tər-ˌprü-fiŋ 

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

Deputy Superintendent Julie Williams said this includes structural steel, waterproofing, fire, compression, plumbing, heating and ventilation and electrical for the new junior high. —Edward McKinnon, Arkansas Online, 25 July 2025

Hamline Midway Library Construction on the new Hamline Midway Library continues on Minnehaha Avenue, where construction crews have poured the footings and soon will finish the building foundation, as well as complete waterproofing and backfilling the site’s footprint. —Frederick Melo, Twin Cities, 24 July 2025

The work includes removing asphalt surface and placing new waterproofing, a new asphalt surface and associated items. —Jalen Williams, Freep.com, 20 July 2025

There are also touch controls here, IPX5 waterproofing and Bluetooth 5.4 multipoint for connecting to two devices. —Julian Chokkattu, Wired News, 28 June 2025

Word History

First Known Use

1820, in the meaning defined at sense 1a

Rhymes for waterproofing

• fireproofing
• proofing
• roofing
• spoofing