This is the 1838th most frequent Korean word.
가입한
"Joined" or "enrolled."
Here, '가입한' is used as part of the grammatical structure to describe the state of having joined or become a member of a group a year ago.
그가 필라테스 동호회에 가입한 지 1년이 되었다.
It's been one year since he joined the pilates club.
In this sentence, '가입한' implies the action of registering or subscribing to a platform, occurring recently.
내 친구가 최근에 소셜 미디어 플랫폼에 가입한 것 같아.
It seems my friend recently signed up for a social media platform.
Here, '가입한' characterizes the specific group of people—those who have completed a signup or registration process.