Answer:

acidy

AnswerCrossword Clue
ACIDYSour, as a stomach
ACIDYRather sour
ACIDYSour
ACIDYTasting sharp
ACIDYSharp
ACIDYSharp; bitter
ACIDYLike some upset stomachs
ACIDYSourish
ACIDYSharp and bitter
ACIDYHard on the stomach
ACIDYSharp or sour in taste
ACIDYA little sharp