Definition of radically adverb from the Oxford Advanced Learner's Dictionary

      

    radically

     adverb
    adverb
    BrE BrE//ˈrædɪkli//
     
    ; NAmE NAmE//ˈrædɪkli//
     
     
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  1. 1in a way that concerns the most basic and important parts of something; in a thorough and complete way Attitudes have changed radically. The new methods are radically different from the old.
  2. 2in a way that is new, different and likely to have a great effect a radically new way of thinking