/ Thesaurus / G Synonyms of genus gasterosteus Find synonyms for: Noun1. Gasterosteus, genus gasterosteus, fish genususage: type genus of the family GasterosteidaeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: placate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language