uncivilized

/ʌnˈsɪvəlaɪzd/
adjective
  1. Lacking the social, cultural, or technological development considered normal in a modern society; primitive or barbaric.
    • The explorers described the remote tribe as uncivilized, but they had their own rich traditions.
    • Many people in the past wrongly labeled other cultures as uncivilized because they were different.
    • Without electricity or running water, the village might seem uncivilized to a city dweller.
  2. Behaving in a rude, cruel, or violent way that is not acceptable in a polite society.
    • The prisoners were treated in an uncivilized manner that shocked the inspectors.
    • Throwing trash on the street is an uncivilized act that harms the community.
    • His uncivilized behavior at the dinner table embarrassed everyone.