Breadcrumb Home > Thesaurus > W Synonyms of waterway Find synonyms for: Noun1. waterway, body of water, waterusage: a navigable body of water2. watercourse, waterway, wayusage: a conduit through which water flowsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of waterway (Dictionary) ✖ Related Content Daily Word Quiz: legerdemain Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language