Bul·ga·nin 
(bl-gănĭn, -gänyĭn), Nikolai Aleksandrovich 1895-1975.
(bl-gănĭn, -gänyĭn), Nikolai Aleksandrovich 1895-1975. Soviet military and political leader who was premier from 1955 to 1958, when he was ousted by Nikita Khrushchev for "anti-Party" activities.