This is the 2818th most frequent Korean word.
일시적
Temporary.
In this sentence, '일시적' means 'temporary', referring to a solution that is not permanent but serves the purpose for the time being.
그 문제는 일시적인 해결책으로 처리되었습니다.
That issue was handled with a temporary solution.
Here, '일시적' is used to form '일시적으로', an adverb meaning 'temporarily', describing the manner in which the event was stopped.
비가 와서 행사가 일시적으로 중단되었습니다.
Due to the rain, the event was temporarily halted.
The word '일시적' in this context describes '노력' (effort) to indicate that it is not a long-term or sustainable one but meant for the short-term.