English

Definition of ruin verb from the Oxford Advanced Learner's Dictionary

      

    ruin

     verb
    verb
    BrE BrE//ˈruːɪn//
     
    ; NAmE NAmE//ˈruːɪn//
     
    Verb Forms present simple I / you / we / they ruin
    BrE BrE//ˈruːɪn//
     
    ; NAmE NAmE//ˈruːɪn//
     
    he / she / it ruins
    BrE BrE//ˈruːɪnz//
     
    ; NAmE NAmE//ˈruːɪnz//
     
    past simple ruined
    BrE BrE//ˈruːɪnd//
     
    ; NAmE NAmE//ˈruːɪnd//
     
    past participle ruined
    BrE BrE//ˈruːɪnd//
     
    ; NAmE NAmE//ˈruːɪnd//
     
    -ing form ruining
    BrE BrE//ˈruːɪnɪŋ//
     
    ; NAmE NAmE//ˈruːɪnɪŋ//
     
     
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  1. 1  ruin something to damage something so badly that it loses all its value, pleasure, etc.; to spoil something synonym wreck The bad weather ruined our trip. That one mistake ruined his chances of getting the job. My new shoes got ruined in the mud. The crops were ruined by the late frost.
  2. 2  ruin somebody/something to make somebody/something lose all their money, their position, etc. If she loses the court case it will ruin her. The country was ruined by the war.
  3. Word Origin Middle English (in the sense ‘collapse of a building’): from Old French ruine, from Latin ruina, from ruere ‘to fall’.Extra examples A knee injury threatened to ruin her Olympic hopes. All this mud is going to ruin my shoes. The experience has completely ruined her life. The long legal battle ruined him financially. My shoes got totally ruined in the mud. She’s ruined everything. That one mistake ruined my chances of getting the job. The bad weather completely ruined our trip. The crop that year was ruined by drought. They accused the government of ruining the economy. Years of drinking had ruined his health. You’ve ruined my whole life!
See the Oxford Advanced American Dictionary entry: ruin