Definition of hedonism noun from the Oxford Advanced American Dictionary

 

hedonism

 noun
noun
NAmE//ˈhidnˌɪzəm//
 
[uncountable]
 
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the belief that pleasure is the most important thing in life
NAmE//ˌhidnˈɪstɪk//
 
adjective the hedonistic philosophy of “eat, drink and be merry for tomorrow we die!”
See the Oxford Advanced Learner's Dictionary entry: hedonism