Breadcrumb Home > Thesaurus > W Synonyms of waterline Find synonyms for: Noun 1. waterline, water line, water level, line usage: a line corresponding to the surface of the water when the vessel is afloat on an even keel; often painted on the hull of a ship WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of waterline (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: annular Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language