Breadcrumb Home > Thesaurus > O Synonyms of overpass Find synonyms for: Noun1. overpass, flyover, bridge, spanusage: bridge formed by the upper level of a crossing of two highways at different levelsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of overpass (Dictionary) ✖ Related Content Daily Word Quiz: ultimathule Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language