frustrerad

In a sentence

• Jag känner mig frustrerad över att inte kunna lösa detta problem.

  I feel frustrated about not being able to solve this problem.

  Here 'frustrerad' is used as an adjective to express the speaker's feeling of being unable to achieve something they wish to do, emphasizing an emotional state of annoyance or impatience.

• Det frustrerade henne att planen inte gick som förväntat.

  It frustrated her that the plan did not go as expected.

  In this context, 'frustrerade' functions as a verb (past tense) and conveys the idea of causing frustration or annoyance to someone due to unforeseen developments.

• Han är frustrerad över att inte ha blivit informerad i tid.

  He is frustrated about not being informed in time.

  'Frustrerad' here is utilized as an adjective describing the subject's state of being upset or stressed due to lacking crucial information in a timely manner.