a member of the fascist National Socialist German Workers' Party, which was founded in 1919 and seized political control in Germany in 1933 under Adolf Hitler
2.
derogatory anyone who thinks or acts like a Nazi, esp showing racism, brutality, etc
—adj
3.
of, characteristic of, or relating to the Nazis
[C20: from German, phonetic spelling of the first two syllables of Nationalsozialist National Socialist]