hedonist Syllabification: (he·don·ist)Pronunciation: /ˈhēdnist/Translate hedonist | into German | into Spanish Definition of hedonist noun a person who believes that the pursuit of pleasure is the most important thing in life; a pleasure-seeker:she was living the life of a committed hedonisthedonist in other Oxford dictionaries Definition of hedonist in the British & World English dictionary