/ Thesaurus / O Synonyms of open fire Find synonyms for: Verb1. open fire, fire, blast, shootusage: start firing a weaponWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language