weatherproof

adjective

weath·​er·​proof ˈwe-t͟hər-ˌprüf 

: able to withstand exposure to weather without damage or loss of function

weatherproof transitive verb

weatherproofness noun

Examples of weatherproof in a Sentence

The material is weatherproof and will not rot from moisture.

Recent Examples on the Web

Then, apply a layer of weatherproof sealant around pipes and cables to lock it in place. —Elizabeth Fogarty, Better Homes & Gardens, 11 Sep. 2025

Each camera is compact, weatherproof, and powered by AA batteries that can last up to two years, depending on settings. —Shubham Yewale, PC Magazine, 9 Sep. 2025

The $450 cost covers the microchip scanning devices in weatherproof cases and step-by-step instructional plaques. —Christina Hall, Freep.com, 8 Sep. 2025

There were live garment repairs by members of the design team and a Gore-Tex Weather Box put the brand’s weatherproof jackets to the test. —Hikmat Mohammed, Footwear News, 11 Aug. 2025

Word History

First Known Use

circa 1620, in the meaning defined above

Rhymes for weatherproof

• bulletproof
• fireproof
• waterproof
• aloof
• behoof
• disproof
• flameproof
• foolproof
• greaseproof
• leakproof
• reproof
• soundproof

Kids Definition

weatherproof

adjective

weath·​er·​proof ˌwet͟h-ər-ˈprüf 

: able to stand up under exposure to weather

weatherproof verb