Breadcrumb Home > Thesaurus > W Synonyms of waterproofing Find synonyms for: Noun 1. waterproofing, sealing, protection usage: the act of treating something to make it repel water 2. waterproofing, coating, coat usage: a coating capable of making a surface waterproof Verb 1. waterproof, seal, seal off usage: make watertight; "Waterproof the coat" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of waterproofing (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: tintinnabulation Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language