This is the 6084th most frequent Korean word.
성급한
Hasty.
In this sentence, '성급한' (hasty) describes the noun '결정' (decision), indicating a lack of careful consideration.
성급한 결정을 내리면 안 됩니다.
You should not make hasty decisions.
Here, '성급한' (hasty) characterizes '성격' (temperament), showing an inherent personal trait.
그는 성급한 성격으로 인해 문제를 많이 겪었습니다.
He had many problems due to his hasty temperament.
In this case, '성급한' (hasty) modifies '판단' (judgment), emphasizing quick conclusions without thorough evaluation.