noun (n)

• the state of being decayed or destroyed(noun.state)

  Synonym:
  desolation
  

  source: wordnet30
• the feeling of being confounded or overwhelmed(noun.feeling)

  Example:
  Her departure left him in utter devastation.
  

  source: wordnet30
• an event that results in total destruction(noun.event)

  source: wordnet30
• plundering with excessive damage and destruction(noun.act)

  Synonym:
  ravaging
  

  source: wordnet30
• the termination of something by causing so much damage to it that it cannot be repaired or no longer exists(noun.act)

  Synonym:
  destruction
  

  source: wordnet30
• The act of devastating, or the state of being devastated; a laying waste.(noun)

  source: webster1913