Of or pertaining to the Yiddish language. / (informal) Jewish; relating to Yiddishkeit.

A West Germanic, or more specifically High German, language that developed from Middle High German dialects, with an admixture of vocabulary from multiple source languages including Hebrew-Aramaic, Romance, Slavic, English, etc., and mostly written in Hebrew characters which is used mainly among Ashkenazic Jews from central and eastern Europe.

plural of Yiddishism

(transitive) To make more Yiddish or Yiddishist.

The Yiddishist movement.

A word or phrase that is characteristically Yiddish but used in another language.

(slang) One who speaks Yiddish. / (historical) A member of a street gang based in Whitechapel, London, England, who opposed the growing fascist movement in the 1930s.

plural of Yiddisher

present participle of Yiddishize

simple past tense and past participle of Yiddishize