English to English

noun (n)

• an event (or the result of an event) that completely destroys something(noun.event)

  Synonym:
  destruction, wipeout
  

  source: wordnet30
• the act of demolishing(noun.act)

  source: wordnet30
• The act of overthrowing, pulling down, or destroying a pile or structure; destruction by violence; utter overthrow; -- opposed to construction; as, the demolition of a house, of military works, of a town, or of hopes.(noun)

  source: webster1913