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

Like many homeowners, staff at Fallingwater have been doing spot repairs since the last major waterproofing and reroofing was completed more than two decades ago. —The Washington Post, San Diego Union-Tribune, 27 Sep. 2025

But the engineering challenge goes deeper than simple waterproofing. —Atharva Gosavi, Interesting Engineering, 24 Sep. 2025

Ever since the 1970s, developments in serial production and waterproofing meant that the force required to activate a chronograph pusher increased to roughly 1.5 kg along a travel (the term for the distance the button has to move) of 1 mm or more. —Oren Hartov, Robb Report, 20 Sep. 2025

And materials offer better climate control textiles and waterproofing technologies that keep shoes lighter and more breathable in all conditions. —Vicki M. Young, Footwear News, 12 Sep. 2025

Word History

First Known Use

1820, in the meaning defined at sense 1a

Rhymes for waterproofing

• fireproofing
• proofing
• roofing
• spoofing