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

The Defiant is burly yet streamlined, stretchy yet weatherproof, and packed with smart features, including a clever double front zipper that reveals a mesh vent to quickly dump heat. —Jenny Wiegand, Outside, 19 Nov. 2025

Carhartt is known for its durable, weatherproof clothing, and its Tencel Half-Zip Sweatshirt is no exception. —Rachel Trujillo, PEOPLE, 14 Nov. 2025

The pivot from velvet and suede to patent tracks a familiar late-fall move toward sleek, weatherproof materials that withstand colder, wetter conditions. —Maggie Clancy, Footwear News, 11 Nov. 2025

Residents are advised to weatherproof homes, inspect heating systems, and stock emergency supplies. —Sirena Bergman, MSNBC Newsweek, 10 Nov. 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