mutilate in WordNet English dictionary

1. destroy or injure severely
   "The madman mutilates art work"
   mutilate  mangle  cut up 
   
2. alter so as to make unrecognizable
   "The tourists murdered the French language"
   mangle  mutilate  murder 
   
3. destroy or injure severely
   "mutilated bodies"
   mutilate  mar