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

New armies appear with architectural armor and distinctive headgear drawn from ancient Japanese samurai that required specialist engineering to be made weatherproof. — Anna Cafolla, Vogue, 5 Nov. 2026

My mom always swaps her summer sandals for weatherproof fall boots and hiking shoes that can handle drizzly sidewalks and leafy fields. — Clara McMahon, PEOPLE, 4 Nov. 2026

Quandell Williams is just such a maker, and his DIY weatherproof ebike enclosure is definitely inspirational. — New Atlas, 3 Nov. 2026

Materials Most igloo dog houses are constructed from a hard structural foam that is durable and weatherproof, providing excellent insulation and keeping harsh winds out. — Bestreviews, Chicago Tribune, 2 Nov. 2026

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