Added 9 October 2026 iowa noun Categories: PeoplePlacesUncommon Words noun ! Definition from WordNet 3.1, Princeton University. More about iowa at Wordnik → Where our words come from → A member of the Siouan people formerly living in Iowa and Minnesota and Missouri. A state in midwestern United States. A dialect of the Chiwere language spoken by the Iowa. Related Words: iowayiasiouxlandohionebraskawisconsinoklahomamichiganminnesota Back to today's word