Breadcrumb Home > Thesaurus > W Synonyms of weatherproof Find synonyms for: Verb1. weatherproof, proofusage: make resistant to bad weatherAdjective1. weatherproof, protected (vs. unprotected)usage: able to withstand exposure to weather without damage; "weatherproof electric wiring"; "a weatherproof coat"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of weatherproof (Dictionary) ✖ Related Content Daily Word Quiz: sepulture Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language