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

It’s made from smooth-to-the-touch plastic, which is fully weatherproof, and has a vibrant green color that resembles real boxwood leaves. —Alicia Geigel, Southern Living, 9 May 2025

The window and door screens include zippered weatherproof fabric shades, and an above-entry awning provides further protection from rain, sun and weather. —New Atlas, 29 Mar. 2025

To top it all off, the high-quality, 400D nylon shell is weatherproof and made to last. —Christina Liao, Forbes, 26 Nov. 2024

The best rain jackets today are more comfortable and watertight than ever, thanks to advances in weatherproof textiles and apparel design. —Adrienne So, Wired News, 15 Apr. 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