/ Thesaurus / G Synonyms of group captain Find synonyms for: Noun1. group captain, captain, senior pilotusage: a commissioned officer (especially one in the Royal Air Force) equivalent in rank to a colonel in the armyWordNet 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