Gri·go·ri E·fi·mo·vich [gri-gawr-ee i-fee-muh-vich; Russian gryi-gaw-ryee yi-fyee-muh-vyich], /grɪˈgɔr i ɪˈfi mə vɪtʃ; Russian gryɪˈgɔ ryi yɪˈfyi mə vyɪtʃ/, c1871–1916, Siberian peasant monk who was very influential at the court of Czar Nicholas II and Czarina Alexandra.