This is the 3688th most frequent Korean word.
사라진
"Disappeared" or "vanished."
In this sentence, '사라진' is used as an adjectival descriptor coming from the verb '사라지다,' meaning 'to disappear.' It refers to the subject, '그녀,' the woman who has disappeared, qualifying her state.
그녀가 사라진 이후로 상황이 어색해졌다.
Since she disappeared, the situation became awkward.
Here, '사라진' describes the state of the document, coming from '사라지다.' The phrase relays that the document has been missing from its original location but has now been found.
사라진 지 오래된 문서를 발견했다.
I found a document that disappeared a long time ago.
In this context, '사라진' attributes a condition to the noun '핸드폰,' explaining that it was previously lost or misplaced but has now been recovered.