Arizona UK /ˌæɹɪˈzəʊnə/US /ˌæɹɪˈzoʊnə/ noun1 •A state in the southwestern United States, established 1912. Capital: Phoenix.A 15-year-old orphan is being forced from the Arizona senior community where he lives with his grandparents after the homeowner’s association said it could face legal issues if he stayed. — 2020