/ Thesaurus / F Synonyms of fast flying Find synonyms for: Adjective1. fast-flying, flying, moving (vs. nonmoving)usage: moving swiftly; "fast-flying planes"; "played the difficult passage with flying fingers"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