Definitions for "Yiddish"
A language used by German and other Jews, being a Middle German dialect developed under Hebrew and Slavic influence. It is written in Hebrew characters.
Second to Hebrew as the language of Jewish people. Yiddish is an adaptation of German, and has many dialects.
Judeo-German; a High German language with vocabulary borrowed from Hebrew and the Slavic languages, written in Hebrew letters, and spoken mainly by Jews from eastern and central Europe.