/ Thesaurus / S Synonyms of short line Find synonyms for: Noun1. short line, transportation system, transportation, transitusage: a transportation system that operates over relatively short distancesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language