frustration

noun
C1+
1
C1+
the feeling of being frustrated
سرخوردگی, ناامیدی
2
C1+
something that causes you to feel frustrated
نا امیدی, سرخوردگی, ناکامی
Every job has its difficulties and frustrations.
She took out her frustrations on the children.
My biggest frustration was not having enough time.
3
the fact that something is preventing something/somebody from succeeding
ناکامی
the frustration of all his ambitions