/ Thesaurus / G Synonyms of gainlessly Find synonyms for: Adverb1. profitlessly, unprofitably, gainlesslyusage: without gain or profitWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: fortuitous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language