Answer: frustration

AnswerCrossword Clue
FRUSTRATIONFeeling of nonfulfillment
FRUSTRATIONAggravation at a lack of progress
frustrationThe prevention of the progress, success, or fulfillment of something
frustrationThe feeling of being upset or annoyed, esp. because of inability to change or achieve something
frustrationAn event or circumstance that causes one to have such a feeling
frustrationthe act of frustrating