un ‧ civ ‧ i ‧ lized BrE AmE ( also uncivilised British English ) /ʌnˈsɪvəlaɪzd, ʌnˈsɪvɪlaɪzd/ adjective
1 . behaviour that is uncivilized is rude or socially unacceptable
2 . old-fashioned societies that are uncivilized have a very simple way of life, and have not developed social, legal, economic etc systems SYN primitive