'Roaring twenties' definitions:

Definition of 'Roaring twenties'

From: GCIDE
  • Roaring twenties \Roar"ing twen"ties\ The decade from 1920 to 1929; -- so called because of the occurrence of a prosperous economy and rapid changes in sociological mores as exemplified by speakeasies, the popularity of fast cars and jazz, and the boisterous unconventional behavior of young adults in that period. See also flapper, speakeasy, and second prohibition. [PJC]