Breadcrumb Home > Thesaurus > Y Synonyms of yeast Find synonyms for: Noun 1. yeast, barm, leaven, leavening usage: a commercial leavening agent containing yeast cells; used to raise the dough in making bread and for fermenting beer or whiskey 2. yeast, fungus usage: any of various single-celled fungi that reproduce asexually by budding or division WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of yeast (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: perfidy Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language