noun (n)

• an event resulting in great loss and misfortune

  kejadian dan kemalangan mengakibatkan kehilangan besar

  Synonym:
  calamity, cataclysm, disaster, tragedy
  

  source: wordnet30
• a state of extreme (usually irremediable) ruin and misfortune

  keadaan ekstrim (biasanya irremediable) merusak dan kemalangan

  Example:
  Lack of funds has resulted in a catastrophe for our school system.
  

  Synonym:
  disaster
  

  source: wordnet30
• a sudden violent change in the earth's surface

  tiba kekerasan perubahan di permukaan bumi

  Synonym:
  cataclysm
  

  source: wordnet30
• An event producing a subversion of the order or system of things; a final event, usually of a calamitous or disastrous nature; hence, sudden calamity; great misfortune.

  sebuah kejadian yang memproduksi subversion orde atau sistem of things; sebuah pertandingan terakhir, biasanya seorang celaka atau bencana alam; maka, tiba malapetaka; kemalangan besar.

  source: webster1913