Breadcrumb Home > Thesaurus > V Synonyms of viaduct Find synonyms for: Noun 1. viaduct, bridge, span usage: bridge consisting of a series of arches supported by piers used to carry a road (or railroad) over a valley WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of viaduct (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: voxpopuli Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language