yeasty

UK: /ˈjiːstɪ/ US: /ˈjisti/ ,(yē′stē)

Inflections of 'yeasty' (adj):

yeastier

adj comparative

yeastiest

adj superlative

WordReference Random House Learner's Dictionary of American English © 2025

yeast•y /ˈyisti/   adj., -i•er, -i•est. 

1. of, containing, or resembling yeast.

WordReference Random House Unabridged Dictionary of American English © 2025

yeast•y  (yē′stē), adj., 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.

• yeast + -y¹ 1590–1600

yeast′i•ly, adv. 
yeast′i•ness, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

yeasty / ˈjiːstɪ/ adjective (yeastier, 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

ˈyeastily adverb

ˈyeastiness noun