密
Meaning
- dense; close; thick
- intimate; close
- (bound form) secret; confidential
Example sentence
这是机密。
It's confidential.
The character 密
密 is 宀, a roof, over 山: closely packed. Dense — 密林 — and then close and secret: 秘密 a secret, 保密 to keep one, 密码 a password, 亲密 intimate, 密切 for a close connection.