[ yee-stee ]
/ ˈyi sti /

adjective, yeast·i·er, yeast·i·est.

of, containing, or resembling yeast.
frothy; foamy.
youthful; exuberant; ebullient.
trifling; frivolous.
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. 2019

Examples from the Web for yeasty

British Dictionary definitions for yeasty


/ (ˈjiːstɪ) /

adjective yeastier or yeastiest

of, resembling, or containing yeast
fermenting or causing fermentation
tasting of or like yeast
insubstantial or frivolous
restless, agitated, or unsettled
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