/ Thesaurus / S Synonyms of supply route Find synonyms for: Noun1. supply line, supply route, path, route, itineraryusage: a route over which supplies can be deliveredWordNet 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