Idahoan UK /ˈaɪ.də.həʊ.ən/US /ˈaɪ.dəˌhoʊ.ən/adjective 1noun 1forms 3 adjective1 •Of or relating to the state of Idaho. noun1 •A native or resident of the state of Idaho in the United States of America.Rachel Baxa was tending to her infant daughter, Georgia, when “the horrific phrase said by President Trump ran through my mind,” the Idahoan said. — 2018 formsIdahoans · more Idahoan · most Idahoan