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waterproof

[waw-ter-proof, wot-er-]
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adjective
  1. impervious to water.
  2. rendered impervious to water by some special process, as coating or treating with rubber: a waterproof hat.
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noun
  1. Chiefly British. a raincoat or other outer coat impervious to water.
  2. any of several coated or rubberized fabrics that are impervious to water.
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verb (used with object)
  1. to make waterproof.
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Origin of waterproof

First recorded in 1730–40; water + -proof
Related formswa·ter·proof·er, nounwa·ter·proof·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for water-proofed

Historical Examples


British Dictionary definitions for water-proofed

waterproof

adjective
  1. not penetrable by waterCompare water-repellent, water-resistant
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noun
  1. mainly British a waterproof garment, esp a raincoat
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verb (tr)
  1. to make (a fabric, item of clothing, etc) waterproof
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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

Word Origin and History for water-proofed

waterproof

adj.

1725, from water (n.1) + proof. The verb is first recorded 1843. Related: Waterproofed; waterproofing.

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Online Etymology Dictionary, © 2010 Douglas Harper