rainproof

[ reyn-proof ]

adjective

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

   a rainproof cover; a rainproof coat.

verb (used with object)

1. to make rainproof.

rainproof

/ ˈreɪnˌpruːf /

adjective

1. Alsoraintight (of garments, materials, buildings, etc) impermeable to rainwater

verb

1. tr to make rainproof

Word History and Origins

Origin of rainproof¹

First recorded in 1825–35; rain + -proof

Example Sentences

Just behind the barn he built me a lean-to shed, 253 about seventy-five feet long, open toward the east, and shingled rainproof.

From Project Gutenberg

We were hurried away to remove our wet rainproof coats and to dry our hats and faces in the brilliant sunshine.

From Project Gutenberg

Silk and woolen materials for umbrella making, raincoats, etc., are expected to be rainproof.

From Project Gutenberg

Cravenette—Cloths treated and finished before weaving by an improved process which renders them rainproof.

From Project Gutenberg

No one would cavil at that term as applied to Whitman—yet one must not forget the “rainproof coat.”

From Project Gutenberg