outside an organization; external
Used to indicate something or someone is not part of a particular group, department, or organization. Often appears in compounds like 部外者 (outsider) or 部外秘 (confidential).
部外者の立ち入りは禁止されています。
Entry by outsiders is prohibited.
You must not leak the contents of the meeting to outsiders.
この資料は部外秘です。
This document is confidential (not to be disclosed to outsiders).
People outside the department are not allowed into this area.
部内 means inside the department or organization, while 部外 means outside it.
restricted; confidential
outsider; person outside a group
quasi-drug; medicated product
Compound of 部 (department, section) and 外 (outside).