1. A sudden violent change in the earth's surface
   - catastrophe 
2. An event resulting in great loss and misfortune
   - calamity, catastrophe, disaster, tragedy

Derived forms: cataclysms

See also: cataclysmic

Type of: bad luck, geological phenomenon, misfortune

Encyclopedia: Cataclysm

• go through
• go through the motions
• go to
• go to bed
• go to pieces
• go to pot
• go to sleep
• go to the dogs
• go to town
• go to war
• go under
• go up
• matted
• matter
• matter of law
• matter to
• matter-of-course
• matter-of-fact
• matter-of-factly
• matter-of-factness
• Matterhorn
• Matteuccia
• Matteuccia struthiopteris
• Matthew
• Matthew Arnold