Breadcrumb Home > Thesaurus > O Synonyms of ohio Find synonyms for: Noun 1. Ohio, Buckeye State, OH usage: a midwestern state in north central United States in the Great Lakes region 2. Ohio, Ohio River usage: a river that is formed in western Pennsylvania and flows westward to become a tributary of the Mississippi River WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of ohio (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: suigeneris Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language