Webster's English Dictionary

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revolutionary

1. rev.o.lu.tion.ary \-sh*-.ner-e-\ aj 1a: of, relating to, or constituting 
   a revolution {~ war}  1b1: tending to or promoting revolution  1b2: 
   RADICAL, EXTREMIST  cap  2: of or relating to the American Revolution or 
   the period of its occurren ce
2. revolutionary n : REVOLUTIONIST