/ Thesaurus / E Synonyms of en route Find synonyms for: Adverb1. on the way, en routeusage: on a route to some place; "help is on the way"; "we saw him on the way to California"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language