[waw-ter-proo-fing, wot-er-]
See more synonyms for waterproofing on Thesaurus.com

Origin of waterproofing

First recorded in 1835–45; waterproof + -ing1


[waw-ter-proof, wot-er-]
  1. impervious to water.
  2. rendered impervious to water by some special process, as coating or treating with rubber: a waterproof hat.
  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.
verb (used with object)
  1. to make waterproof.

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 waterproofing

Historical Examples of waterproofing

  • The first patent for waterproofing seems to have been granted in 1791.

    The Romance of Plant Life

    G. F. Scott Elliot

  • One use they put it to was the waterproofing of their cloaks.

  • Waterproofing by paraffin is a most satisfactory process and the one most used by tent manufacturers.

    Touring Afoot

    Claude Powell Fordyce

  • The one feature of shoe selection which seems to appeal to the average sportsman is waterproofing.

    Touring Afoot

    Claude Powell Fordyce

  • Then a waterproofing contractor agreed to make the reservoir water tight with paper and tar, by applying it on the inside.

    Concrete Construction

    Halbert P. Gillette

British Dictionary definitions for waterproofing


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



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

Online Etymology Dictionary, © 2010 Douglas Harper