Sta ‧ lin ‧ is ‧ m /ˈstɑːlɪnɪz ə m/ BrE AmE noun [uncountable]
the political system and methods used by Joseph ↑ Stalin when he was the leader of the former Soviet Union, or any similar political system. The main features of Stalinism were that all plans and policies were made by Stalin himself and a small group of followers, the Communist Party was the only party allowed, and violence and fear were used to prevent any opposition.
—Stalinist noun :
Some of Blair's opponents accused him of Stalinist tendencies.