fin de siè·cle French. 1. the end of the 19th century. 2. Sometimes, findesiècle. of, pertaining to, or characterized by concepts of art, society, etc., associated with the end of the 19th century.
fin de siè·cle French. 1. the end of the 19th century. 2. Sometimes, findesiècle. of, pertaining to, or characterized by concepts of art, society, etc., associated with the end of the 19th century.