This is the 9146th most frequent Korean word.
거제
"거제" refers to Geoje, an island and city in South Korea.
Here, '거제도' specifies Geoje Island, demonstrating the attachment of '도' ('island') to '거제'.
그는 거제도를 여행하기로 결정했습니다.
He decided to travel to Geoje-do.
In this context, '거제' is used metaphorically to mean something achievable or feasible, presenting a different use of the word.
이 프로젝트는 거제가 아니라고 판단되었습니다.
This project was judged not to be feasible.
In this sentence, '거제' is used as a proper noun referring to Geoje, a city in South Korea.