See more synonyms for yeasty on
adjective, yeast·i·er, yeast·i·est.
  1. of, containing, or resembling yeast.
  2. frothy; foamy.
  3. youthful; exuberant; ebullient.
  4. trifling; frivolous.
  5. characterized by agitation, excitement, change, etc.: the yeasty years immediately following college.

Origin of yeasty

First recorded in 1590–1600; yeast + -y1
Related formsyeast·i·ly, adverbyeast·i·ness, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for yeasty


adjective yeastier or yeastiest
  1. of, resembling, or containing yeast
  2. fermenting or causing fermentation
  3. tasting of or like yeast
  4. insubstantial or frivolous
  5. restless, agitated, or unsettled
  6. covered with or containing froth or foam
Derived Formsyeastily, adverbyeastiness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for yeasty

1590s, from yeast + -y (2).

Online Etymology Dictionary, © 2010 Douglas Harper