eradicate
     v 1: kill in large numbers; "the plague wiped out an entire
          population" [syn: {eliminate}, {annihilate}, {extinguish},
           {wipe out}, {decimate}, {carry off}]
     2: destroy completely, as if down to the roots; "the vestiges
        of political democracy were soon uprooted" [syn: {uproot},
         {extirpate}, {exterminate}]
Source: WordNet® 2.0