/ Thesaurus / I Synonyms of ioway Find synonyms for: Noun1. Iowa, Ioway, Sioux, Siouanusage: a member of the Siouan people formerly living in Iowa and Minnesota and Missouri2. Iowa, Ioway, Chiwereusage: a dialect of the Chiwere language spoken by the IowaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language