n.
Pronunciation: ˌ an-( ˌ )h ē - ' d ō -n ē - ə , -ny ə
Function: noun
Etymology: New Latin, from 2 a- + Greek h ē don ē pleasure ― more at HEDONISM
Date: 1897
: a psychological condition characterized by inability to experience pleasure in normally pleasurable acts
– an · he · don · ic \ - ' dä-nik \ adjective