WordNet (r) 3.0 (2006):

counterrevolutionary
    adj 1: relating to or being a counterrevolution
    2: marked by opposition or antipathy to revolution; "ostracized
       for his counterrevolutionary tendencies" [ant:
       revolutionary]
    n 1: a revolutionary whose aim is to reverse the changes
         introduced by an earlier revolution [syn:
         counterrevolutionist, counter-revolutionist,
         counterrevolutionary]