Definitions for yummyˈyʌm i
Random House Webster's College Dictionary
yum•myˈyʌm i(adj.)-mi•er, -mi•est.
very pleasing to the senses, esp. to the taste; delicious.
Origin of yummy:
delectable, delicious, luscious, pleasant-tasting, scrumptious, toothsome, yummy(adj)
extremely pleasing to the sense of taste
Kernerman English Learner's Dictionary
The cookies are yummy.