[ar.ca.di.an] adj, often cap (1589) 1: idyllically pastoral; esp: idyllically innocent, simple, or untroubled
2. a: of or relating to Arcadia or the Arcadians b: of or relating to Arcadian Ar.ca.di.an n (1590) 1 often not cap: a person who lives a simple quiet life
2: a native or inhabitant of Arcadia
3: the dialect of ancient Greek used in Arcadia