English to English

noun (n)

• destruction by annihilating something(noun.act)

  Synonym:
  annihilation
  

  source: wordnet30
• the complete destruction of every trace of something(noun.event)

  Synonym:
  eradication
  

  source: wordnet30
• The act of obliterating, or the state of being obliterated; extinction.(noun)

  source: webster1913