This is the 7069th most frequent Korean word.
정상이다
"To be normal" or "to be okay."
In this sentence, '정상이다' describes that something is in its normal operational state or functioning as intended.
이 기계는 정상이다.
This machine is functioning properly.
Here, '정상이다' is used to describe the normalcy or typical condition of someone's health status.
그 사람의 건강 상태는 정상이다.
That person's health condition is normal.
In this example, '정상이다' is applied to explain that a behavior or reaction aligns with expectations given the circumstances.