Source : WordNet®

authoritarianism
     n : a form of government in which the ruler is an absolute
         dictator (not restricted by a constitution or laws or
         opposition etc.) [syn: {dictatorship}, {absolutism}, {Caesarism},
          {despotism}, {monocracy}, {one-man rule}, {shogunate}, {Stalinism},
          {totalitarianism}, {tyranny}]