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

     

    incurable

     adjective
    adjective
    BrE BrE//ɪnˈkjʊərəbl//
     
    ; NAmE NAmE//ɪnˈkjʊrəbl//
     
     
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  1. 1that cannot be cured an incurable disease/illness opposite curable
  2. 2that cannot be changed synonym incorrigible She's an incurable optimist.
  3. Word Origin Middle English: from Old French, or from late Latin incurabilis, from in- ‘not’ + curabilis (from Latin curare ‘take care of’, from cura ‘care’).
See the Oxford Advanced American Dictionary entry: incurable