self–de·ni·al 
/ˌsɛlfdɪˈnajəl/ noun
/ˌsɛlfdɪˈnajəl/ noun [noncount] : the act of not allowing yourself to have or do something you want
▪ Dieting is an exercise in self-denial. ▪ The monks lead a life of self-denial. = The monks practice self-denial.
▪ Dieting is an exercise in self-denial. ▪ The monks lead a life of self-denial. = The monks practice self-denial.
