/ Thesaurus / G Synonyms of gloomy gus Find synonyms for: Noun1. sourpuss, picklepuss, gloomy Gus, pouter, unwelcome person, persona non gratausage: someone with a habitually sullen or gloomy expressionWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language