a member of the National Socialist German Workers' party of Germany, which in 1933, under Adolf Hitler, seized political control of the country, suppressing all opposition and establishing a dictatorship over all cultural, economic, and political activities of the people, and promulgated belief in the supremacy of Hitler as Führer, aggressive anti-Semitism, the natural supremacy of the German people, and the establishment of Germany by superior force as a dominant world power. The party was officially abolished in 1945 at the conclusion of World War II.
(often l.c.) a person elsewhere who holds similar views.