self-denial self-denial /ˌsɛlf dɪˈnaɪəl/

noun

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