rainproof

[ reyn-proof ]
/ ˈreɪnˌpruf /

adjective

impervious to rain; keeping out or unaffected by rain: a rainproof cover; a rainproof coat.

verb (used with object)

to make rainproof.

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Origin of rainproof

First recorded in 1825–35; rain + -proof
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for rainproof

British Dictionary definitions for rainproof

rainproof
/ (ˈreɪnˌpruːf) /

adjective

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

verb

(tr) to make rainproof
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012