/ Thesaurus / B Synonyms of broad gauge Find synonyms for: Noun1. broad gauge, railroad track, railroad, railway, gaugeusage: a railroad track (or its width) broader than the standard 56.5 inchesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language