This is the 2702nd most frequent Korean word.
실패했다
"Failed."
In this sentence, '실패했다' is used actively to describe the subject's lack of success in a specific event (an exam).
저는 시험에서 실패했어요.
I failed the exam.
Here, '실패했다' is applied to indicate the unsuccessful outcome of a particular plan, highlighting its unsuitability or lack of effectiveness.
그 계획이 실패했어요.
That plan failed.
In this usage, '실패했다' emphasizes that the project did not meet its goals multiple times, providing a sense of recurrence.