Definition of commissar
1a : a Communist party official assigned to a military unit to teach party principles and policies and to ensure party loyaltyb : one that attempts to control public opinion or its expression
2 : the head of a government department in the U.S.S.R. until 1946
Origin and Etymology of commissar
Russian komissar, from German Kommissar, from Medieval Latin commissarius
First Known Use: 1921
Seen and Heard
What made you want to look up commissar? Please tell us where you read or heard it (including the quote, if possible).