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 mats are essentially weatherproof insulation, somewhat akin to the insulation used in housing. —Evan Bush, NBC news, 27 Mar. 2026

Busy commercial spots are undergoing a makeover with innovations like weatherproof plates for outdoor counters or drive-throughs, amplifying NFC/QR card adoption. —Matthew Kayser, jsonline.com, 19 Mar. 2026

They’re constructed with all-season HDPE that’s made of recycled plastic for an eco-friendly and weatherproof addition to your porch. —Caley Sturgill, Southern Living, 13 Mar. 2026

This weatherproof perch extender gives larger birds more room to land and feed, encouraging a wider variety of species. —Bestreviews, Chicago Tribune, 13 Mar. 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