/ Thesaurus / F Synonyms of flight line Find synonyms for: Noun1. flight line, lineusage: place where airplanes are parked and the maintenance hangars (but not the runways or taxiways)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language