Definition of ruination noun from the Oxford Advanced American Dictionary

     

    ruination

     noun
    noun
    NAmE//ˌruəˈneɪʃn//
     
    [uncountable](formal)
     
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  1. 1the process of destroying something or someone, or being destroyed synonym destruction
  2. 2 Urban development has led to the ruination of vast areas of countryside. Alcohol will be the ruination of him.
See the Oxford Advanced Learner's Dictionary entry: ruination