機密
Meanings
1
secrecy; confidentiality; classified information
Refers to official or organizational secrets, especially in government, military, or corporate contexts. Often used in compounds like 機密情報 (classified information) or 機密保持 (maintaining confidentiality).
The document is designated as a state secret.
You must not leak company secrets to outsiders.
Usage patterns
- 〈事〉を機密にするto keep something classified/confidential
The details of that research are kept classified.
- 機密を守るto protect/keep classified information secret
Employees have a duty to protect the company's confidential information.
- 機密が漏れるfor classified information to leak
The nation's classified information leaked to a foreign country.
- 機密を漏らすto leak/divulge classified information
He was fired for leaking the company's classified information.
- 機密扱いにするto treat (a document, matter) as classified
This document is treated as classified.