/ Thesaurus / C Synonyms of co pilot Find synonyms for: Noun1. copilot, co-pilot, pilot, airplane pilotusage: a relief pilot on an airplaneWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language