the feeling of being annoyed or less confident because you cannot achieve what you want, or something that makes you feel like this:
frustration at I could sense his frustration at not being able to help.
This job has more than its fair share of frustrations.
the fact that something prevents plans or efforts from being successful
disappointment or discouragement, or a discouraging situation:
[ U ] He finally quit in frustration.
[ U ] The teacher confirmed widespread frustration with the lack of up-to-date textbooks.
[ C ] You have to learn to cope with these frustrations.
the act of preventing something from being achieved:
Our efforts to get funding to save the lighthouse met with frustration.