French › DictionarydécennieB2#5,525Hear itnounfemininedecade, ten-year periodUsed in the libraryOn appelle Années folles la décennie qui va de 1919 à la crise de 1929.The decade that runs from 1919 to the crash of 1929 is called the Années folles, the crazy years.B2Les Années folles — The Roaring TwentiesRead French with every word explained