reactionary
1. [ noun ] (politics) an extreme conservative; an opponent of progress or liberalism
Synonyms: extreme_right-winger ultraconservative
Related terms: conservative Bourbon Colonel_Blimp
2. [ adjective ] extremely conservative
Synonyms: reactionist far-right
Related terms: right
3. [ adjective ] (politics) extremely conservative
Synonyms: far-right reactionist
Related terms: right
Similar spelling:   reaction
  reactionist
  reactionism
  reaction_time
  reactant
  reactance