Tucsonian UK /tuːˈsəʊ.ni.ən/US /tuˈsoʊ.ni.ən/adjective 1noun 1forms 3 adjective1 •Of or relating to Tucson, Arizona, USA. noun1 •A native or inhabitant of Tucson, Arizona, USA. formsTucsonians · more Tucsonian · most Tucsonian