This is the 4647th most frequent Korean word.
개통한
"Opened" or "activated," typically referring to services or systems like transportation lines or phone connections.
In this sentence, '개통한' is used as an adjective form of the verb '개통하다', which means 'to open (a road or service for use)'. It modifies the noun '도로' (road), indicating that the road has recently been opened to use.
새로 개통한 도로는 교통 체증을 줄이는 데 도움을 주었다.
The newly opened road helped reduce traffic congestion.
Here, '개통한' is used to describe the cellphone ('휴대폰') that has been activated for use. The word '개통하다' is commonly used for activating services like mobile phones.
개통한 휴대폰에서 문제가 발생했다.
An issue occurred with the newly activated cellphone.
In this sentence, '개통한' modifies '인터넷 서비스' (internet service), implying that the service was activated previously, thereby allowing its current use.