/ Thesaurus / R Synonyms of railroad car Find synonyms for: Noun1. car, railcar, railway car, railroad car, wheeled vehicleusage: a wheeled vehicle adapted to the rails of railroad; "three cars had jumped the rails"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: beseech Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language