/ Thesaurus / G Synonyms of giant star Find synonyms for: Noun1. giant star, giant, starusage: a very bright star of large diameter and low density (relative to the Sun)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: fortuitous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language