self-denial in WordNet English dictionary

1. renunciation of your own interests in favor of the interests of others
   abnegation  self-abnegation  denial  self-denial  self-renunciation 
   
2. the act of denying yourself; controlling your impulses
   self-denial  self-discipline  self-control 
   
3. the trait of practicing self discipline
   self-discipline  self-denial