Na ‧ zi /ˈnɑːtsi/ BrE AmE noun [countable]
[ Date: 1900-2000 ; Language: German ; Origin: nationalsozialist 'national socialist' ]
1 . a member of the National Socialist Party of Adolf Hitler which controlled Germany from 1933 to 1945
2 . someone who uses their authority over others in a very strict or cruel way:
Some of the supervisors are real Nazis.
—Nazi adjective
—Nazism noun [uncountable]