This is the 4206th most frequent Korean word.
즉각적인
Immediate; instant.
Here, '즉각적인' is an adjective modifying '반응', emphasizing the need for an urgent and swift reaction.
즉각적인 반응이 필요합니다.
An immediate response is needed.
In this sentence, '즉각적으로' is used as an adverb derived from the adjective '즉각적인', describing the manner of action as being immediate.
그는 문제를 즉각적으로 해결하려고 노력했다.
He tried to resolve the issue immediately.
The term '즉각적인' modifies '조치' in this case, highlighting that the actions were taken without delay.