feeling of frustration; sense of failure
The emotional state of being discouraged or defeated after a setback or failure.
試験に落ちて、挫折感を味わった。
I felt a sense of failure after failing the exam.
彼は挫折感からなかなか立ち直れなかった。
He couldn't easily recover from his feeling of frustration.
Compound of 挫折 (setback, frustration) and 感 (feeling, sense).