ghettoisation noun2 •The process of becoming a ghetto, an isolated and underprivileged urban area.It's all part of a move toward ghettoization, they charge, an attempt to make the poor feel so shamefully unwanted that they will leave the area. — 1988 •The process of ghettoizing (a group): the segregation/isolation of a group and placement of that group into a figurative or literal position of little power.