/ Thesaurus / S Synonyms of star shell Find synonyms for: Noun1. star shell, flare, flashusage: an artillery shell containing an illuminantWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language