1.
end of the century, fin de siècle
The closing period of a century, especially associated with cultural decadence, anxiety, or upheaval. Often evokes a mood of decline or apocalyptic atmosphere.
Usage
Beyond its literal meaning, 世紀末 often carries connotations of chaos, decadence, or an apocalyptic mood. In Japanese pop culture, it is strongly associated with the manga/anime Fist of the North Star (北斗の拳), whose post-apocalyptic setting is described as 世紀末.