/ Thesaurus / U Synonyms of under fire Find synonyms for: Adjective1. under attack(predicate), under fire(predicate), vulnerable (vs. invulnerable)usage: subjected to enemy attack or censure; "an official under fire for mismanagement"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language