Breadcrumb Home > Thesaurus > U Synonyms of unavailing Find synonyms for: Adjective 1. futile, ineffectual, otiose, unavailing, useless (vs. useful) usage: producing no result or effect; "a futile effort"; "the therapy was ineffectual"; "an otiose undertaking"; "an unavailing attempt" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of unavailing (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: voxpopuli Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language