/ Thesaurus / L Synonyms of let fly Find synonyms for: Verb1. loose off, let fly, let drive, fire, dischargeusage: fire as from a gun; "The soldiers let drive their bullets"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: imprudent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language