Philistinian
/ˌfɪlɪˈstɪnɪən/adjective
1Of, belonging to, or characteristic of a Philistine; relating to Philistia or the ancient Philistines.
2Uneducated, unenlightened.
Origin
Late 18th century. From Philistine + -ian. Compare earlier Philistian, Philistean, Philistine.