detestable in WordNet English dictionary

1. offensive to the mind
   "an abhorrent deed"; "the obscene massacre at Wounded Knee"; "morally repugnant customs"; "repulsive behavior"; "the most repulsive character in recent novels"
   abhorrent  detestable  obscene  repugnant  repulsive 
   
2. unequivocally detestable
   "abominable treatment of prisoners"; "detestable vices"; "execrable crimes"; "consequences odious to those you govern"- Edmund Burke
   abominable  detestable  execrable  odious