/ Thesaurus / S Synonyms of slip coach Find synonyms for: Noun1. slip coach, slip carriage, car, railcar, railway car, railroad carusage: a railway car at the end of the train; it can be detached without stopping the trainWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language