This is the 11025th most frequent Korean word.
급한
Urgent; hasty; impatient.
Here, '급한' is used as an adjective modifying '일' (matter) to describe its urgency.
나는 급한 일이 있어서 먼저 가야겠어.
I have an urgent matter, so I should leave first.
In this context, '급한' qualifies '결정' (decision), stressing the immediacy or swiftness required.
이 상황에서는 급한 결정을 내리는 것이 더 나을 수도 있어.
In this situation, making a quick decision might be better.
Here, '급한' is used to describe '성격' (personality), indicating that the person tends to act hastily or impatiently.