/ʌnˈfaɪld/ – verb
Definition: 1. rút khỏi hồ sơ;
2. xóa khỏi danh sách.
A more thorough explanation: To remove a document or record from a file, especially one that has been officially recorded or filed with a court or other legal authority.
Example: The attorney failed to unfile the motion before the court deadline, resulting in it being considered officially filed.