The word "yeasty" means something that resembles or has the characteristics of yeast, such as being full of life, energy, or excitement. Full definition
I came here looking for ideas on what to do with yeasty smelling almond «cheese» that has been in my fridge for a week or so. (elanaspantry.com)
Using yeast as well as baking powder gives these sweet glazed pinwheels a touch of yeasty flavor — without the hour - plus rising time usually required for breakfast breads. (vegetariantimes.com)
Now I find the smell of yeasty bread somewhat repulsive. (nerdfitness.com)