dec·a·dence
noun/ˈdekədəns/
/ˈdekədəns/
[uncountable] (disapproving)- behaviour, attitudes, etc. that show a fall in standards, especially moral ones, and an interest in pleasure and fun rather than more serious things
堕落；颓废；贪图享乐 - the decadence of modern Western society
现代西方社会的颓废现象
Word Originmid 16th cent.: from French décadence, from medieval Latin decadentia; related to decay. - the decadence of modern Western society