Definition of madcap adjective from the Oxford Advanced American Dictionary

     

    madcap

     adjective
    adjective
    NAmE//ˈmædkæp//
     
    [usually before noun](informal)
     
    jump to other results
  1. 1(of people, plans etc.) crazy and not caring about danger; not sensible synonym reckless
  2. 2 madcap schemes/escapades Stories began circulating about her madcap lifestyle.
See the Oxford Advanced Learner's Dictionary entry: madcap