frustration
//frʌˈstreɪʃən//
Noun
frustrationSingular
frustrationsPlural
1
The feeling of being upset or annoyed as a result of being unable to change or achieve something.
She felt a sense of frustration when her project was rejected.
2
An event or circumstance that causes one to feel frustrated.
Traffic jams are one of the biggest frustrations of city life.
3
The prevention of the progress, success, or fulfillment of something.
The frustration of their plans led to the project being canceled.