noun (n)

• failure that results in a loss of position or reputation(noun.event)

  Synonym:
  ruin, ruination
  

  source: wordnet30
• the falling to earth of any form of water (rain or snow or hail or sleet or mist)(noun.phenomenon)

  Synonym:
  precipitation
  

  source: wordnet30
• a sudden decline in strength or number or importance(noun.event)

  Synonym:
  fall
  Antonym:
  rise
  

  source: wordnet30
• A sudden fall; a body of things falling.(noun)

  source: webster1913