Having the characteristics of yeast; frothy or foamy. The yeasty foam on top of the fermenting beer indicated that the process was going well.
Full of vitality or energy; exuberant. The yeasty enthusiasm of the young team was infectious, spreading excitement throughout the office.
Characterized by change or ferment; turbulent. The yeasty political climate of the era led to numerous reforms and revolutions.
Containing or prepared with yeast; leavened. She baked a yeasty loaf that filled the kitchen with a warm aroma.