American English

Definition of revolutionary adjective from the Oxford Advanced American Dictionary



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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. 3Revolutionary connected with the American Revolution Revolutionary ideals of liberty and democracy
See the Oxford Advanced Learner's Dictionary entry: revolutionary