noun (n)

• a change for the worse(noun.event)

  Synonym:
  distortion
  

  source: wordnet30
• alteration in the shape or dimensions of an object as a result of the application of stress to it(noun.event)

  source: wordnet30
• the act of twisting or deforming the shape of something (e.g., yourself)(noun.act)

  Synonym:
  contortion
  

  source: wordnet30
• The act of deforming, or state of anything deformed.(noun)

  source: webster1913