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

Rounding it all off are a new foundation, waterproofing, roofing, windows, and doors, plus a 20-person elevator that travels to each floor. —Wendy Bowman, Robb Report, 5 Mar. 2026

It’s built for extremes with IP68 waterproofing and 5x saltwater resistance, ensuring sea splashes or sweat won't stop its 50W of powerful audio. —Juhi Wadia, PC Magazine, 5 Mar. 2026

Budget models are usually limited to low magnification and small objective lenses, whereas more premium models can offer high magnifications, bigger objective lenses and serious waterproofing for tricky weather. —Matt Morris, Space.com, 4 Mar. 2026

An inspector recommended excavating on her side to allow waterproofing of the wall and installing a drainpipe. —Jeanne Phillips, Mercury News, 27 Feb. 2026

Word History

First Known Use

1820, in the meaning defined at sense 1a

Rhymes for waterproofing

• fireproofing
• proofing
• roofing
• spoofing