Definitions for yeastyˈyi sti
Random House Webster's College Dictionary
yeast•yˈyi sti(adj.)yeast•i•er, yeast•i•est.
of, containing, or resembling yeast.
characterized by agitation, excitement, change, etc.
Origin of yeasty:
of or resembling or containing yeast
zestful, yeasty, zesty, barmy(adj)
marked by spirited enjoyment
Having or resembling yeast.
Foamy and frothy.
Emotionally bubbling over (as with exuberance)
frothy; foamy; spumy, like yeast