/ Dictionary / Index Y Yiddishism: Meaning and Definition of Find definitions for: Yid•dish•ism Pronunciation: (yid'i-shiz"um), [key] — n. a word, phrase, or linguistic feature characteristic of or peculiar to Yiddish. the advocacy of Yiddish language and literature. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Yiddish Yiddishkeit* Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language