/ Thesaurus / G Synonyms of gall gnat Find synonyms for: Noun1. gall midge, gallfly, gall gnat, dipterous insect, two-winged insects, dipteran, dipteronusage: fragile mosquito-like flies that produce galls on plantsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language