/ Thesaurus / G Synonyms of gall wasp Find synonyms for: Noun1. gall wasp, gallfly, cynipid wasp, cynipid gall wasp, waspusage: small solitary wasp that produces galls on oaks and other plantsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: mongrel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language