Question

an·ni·hi·late
 /əˈnajəˌleıt/  verb  , -lates, -lat·ed, -lat·ing [  + obj  ]
  1 : to destroy (something or someone) completely
   Bombs annihilated the city.
   The enemy troops were annihilated.
  2 : to defeat (someone) completely
   He annihilated his opponent in the last election.
  an·ni·hi·la·tion /əˌnajəˈleıʃən/  noun   [  noncount  ]
   The regime is facing annihilation.
   the annihilation of the city