abnegate in WordNet English dictionary

1. deny or renounce
   "They abnegated their gods"
   abnegate 
   
2. surrender (power or a position)
   "The King abnegated his power to the ministers"
   abnegate 
   
3. deny oneself (something); restrain, especially from indulging in some pleasure
   "She denied herself wine and spirits"
   deny  abnegate