over-civilized
/ˌəʊvəˈsɪv(ə)lʌɪzd/ /ˌəʊvəˈsɪvɪlʌɪzd/adjective
Too highly civilized; too reliant on or concerned with the trappings of modern civilization. Also as noun (with the and plural concord): overly civilized people as a class.
Origin
Early 19th century; earliest use found in Percy Bysshe Shelley (1792–1822), poet. From over- + civilized.