rainproof

adjective

rain·​proof ˈrān-ˌprüf How to pronounce rainproof (audio)
Synonyms of rainproofnext
: impervious to rain

Examples of rainproof in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Rubber boots, plastic rain suits and rainproof ponchos keep you dry while handling outdoor emergencies. — Debbie Arrington, Sacramento Bee, 31 Jan. 2024 The tent’s material is also rainproof and offers UV protection from the sun. — Jasmine Gomez, Travel + Leisure, 1 Oct. 2025 This Under Armour best-seller is rainproof and has HeatGear shoulder straps for extra comfort. — Sabrina Talbert, Women's Health, 21 Mar. 2023 The Elite 4 also carries an IP55 rainproof rating, while the Active is an IP57 dust, water, and sweatproof rating. — John Thompson, menshealth.com, 5 Apr. 2023

Word History

First Known Use

1668, in the meaning defined above

Time Traveler
The first known use of rainproof was in 1668

Rhymes for rainproof

See All Rhymes for rainproof

Browse Nearby Words

rain print
rainproof
rain quail
See all Nearby Words

Cite this Entry

“Rainproof.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rainproof. Accessed 10 Jul. 2026.

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Kids Definition

rainproof

adjective
rain·​proof -ˈprüf How to pronounce rainproof (audio)
: keeping rain out

More from Merriam-Webster on rainproof

Thesaurus: All synonyms and antonyms for rainproof

Nglish: Translation of rainproof for Spanish Speakers

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