Definition of toughie noun from the Oxford Advanced Learner's Dictionary

     

    toughie

     noun
    noun
    BrE BrE//ˈtʌfi//
     
    ; NAmE NAmE//ˈtʌfi//
     
    (informal)
     
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  1. 1a person who is determined and not easily frightened
  2. 2a very difficult choice or question
See the Oxford Advanced American Dictionary entry: toughie