/ Thesaurus / B Synonyms of binary star Find synonyms for: Noun1. binary star, binary, double star, starusage: a system of two stars that revolve around each other under their mutual gravitationWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language