Function: noun
Usage: often cap T&W
Date: 1963
1 : a group of nations especially in Africa and Asia not aligned with either the Communist or the non-Communist blocs
2 : an aggregate of minority groups within a larger predominant culture
3 : the aggregate of the underdeveloped nations of the world
– third world · er \ - ' w ə r(- ə )l-d ə r \ noun often cap T&W