Definition of mirage noun from the Oxford Advanced American Dictionary

     

    mirage

     noun
    noun
    NAmE//məˈrɑʒ//
     
     
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  1. 1an effect caused by hot air in deserts or on roads, that makes you think you can see something, such as water, that is not there
  2. 2a hope or wish that you cannot make happen because it is not realistic synonym illusion His idea of love was a mirage.
See the Oxford Advanced Learner's Dictionary entry: mirage