From Longman Dictionary of Contemporary Englishfin de sièclefin de siè‧cle /ˌfæn də ˈsjeklə◂/ adjective [only before noun] Atypical of the end of the 19th century, especially its art, literature, and attitudes
Examples from the Corpus
fin de siècle• fin-de-siècle architectureOrigin fin de siècle (1800-1900) French “end of the century” 