eradicate in WordNet English dictionary

1. kill in large numbers
   "the plague wiped out an entire population"
   eliminate  annihilate  extinguish  eradicate  wipe out  decimate  carry off 
   
2. destroy completely, as if down to the roots
   "the vestiges of political democracy were soon uprooted" "root out corruption"
   uproot  eradicate  extirpate  root out  exterminate