American English

Definition of ruin verb from the Oxford Advanced American Dictionary



    Verb Forms present simple I / you / we / they ruin
    he / she / it ruins
    past simple ruined
    -ing form ruining
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  1. 1ruin 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. 2ruin somebody/something to make someone or 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.
See the Oxford Advanced Learner's Dictionary entry: ruin