rainproof

American  

[reyn-proof] / ˈreɪnˌpruf /

adjective

1. impervious to rain; keeping out or unaffected by rain.

   a rainproof cover; a rainproof coat.

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verb (used with object)

1. to make rainproof.

rainproof British  

/ ˈreɪnˌpruːf /

adjective

1. Also: raintight.  (of garments, materials, buildings, etc) impermeable to rainwater

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verb

1. (tr) to make rainproof

Etymology

Origin of rainproof

First recorded in 1825–35; rain + -proof

Example Sentences

See Examples For:

rainproof

They form weirdly impenetrable firefighting foam; they also give us waterproof mascara, rainproof tents, leakproof burger wrappers, and nonstick pans.

From Slate ● Jul. 30, 2022

Arc’teryx Zeta SL Rain Jacket: This performance wind- and rainproof jacket out of Vancouver is part of a select array of Arc’teryx gear that’s 25% off during the sale.

From Seattle Times ● May 21, 2021

However, during a recent trip to Scotland, the rain and wind drove him inside — to a store where he purchased a wind- and rainproof North Face jacket.

From Washington Post ● Aug. 6, 2015

This season the rainproof boot took on stacked high heels, and also appeared in a calf-length version with a wedge platform.

From US News ● Feb. 23, 2015

Since boards were scarce, and it was difficult to make roofs rainproof, Washington tried to stimulate ingenuity by offering a reward of one hundred dollars for an improved method of roofing.

From Washington and His Comrades in Arms; a chronicle of the War of Independence by Wrong, George McKinnon