/ Thesaurus / B Synonyms of blue star Find synonyms for: Noun1. blue star, Amsonia tabernaemontana, subshrub, suffrutexusage: subshrubs of southeastern United States forming slow-growing clumps and having blue flowers in short terminal cymesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language