Definition of irresistible adjective from the Oxford Advanced Learner's Dictionary

     

    irresistible

     adjective
    adjective
    BrE BrE//ˌɪrɪˈzɪstəbl//
     
    ; NAmE NAmE//ˌɪrɪˈzɪstəbl//
     
    Attractiveness
     
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  1. 1so strong that it cannot be stopped or resisted I felt an irresistible urge to laugh. His arguments were irresistible. The temptation proved irresistible. opposite resistible
  2. 2so attractive that you feel you must have it an irresistible bargain On such a hot day, the water was irresistible (= it made you want to swim in it). irresistible to somebody The bright colours were irresistible to the baby. See related entries: Attractiveness
  3. Word Origin late 16th cent.: from medieval Latin irresistibilis, from in- ‘not’ + resistibilis (from resistere ‘resist’).Extra examples Public spending has a seemingly irresistible momentum. The very high salary made the job irresistible. You’ll find our offer irresistible. He was forced to act by the irresistible pressure of public opinion. The temptation to take a look proved to be irresistible.
See the Oxford Advanced American Dictionary entry: irresistible