Definition of revolutionary adjective from the Oxford Advanced American Dictionary

      

    revolutionary

     adjective
    adjective
    NAmE//ˌrɛvəˈluʃəˌnɛri//
     
     
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  1. 1[usually before noun] connected with political revolution a revolutionary leader revolutionary uprisings
  2. 2involving a great or complete change a revolutionary idea a time of rapid and revolutionary change revolutionary advances in medicine The effects of technological development are revolutionary.
  3. 3 Revolutionary connected with the American Revolution Revolutionary ideals of liberty and democracy
See the Oxford Advanced Learner's Dictionary entry: revolutionary