Breadcrumb Home > Thesaurus > W Synonyms of washboard Find synonyms for: Noun 1. washboard, device usage: device consisting of a corrugated surface to scrub clothes on 2. washboard, splashboard, protective covering, protective cover, protection usage: protective covering consisting of a broad plank along a gunwale to keep water from splashing over the side WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of washboard (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: hagiography Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language