also: たげん
noun, noun or participle which takes 'suru', transitive verb
telling others; divulging a secret; revealing
Used when someone shares information that was meant to be kept private. Often appears in negative requests or warnings such as 他言しないでください or 他言無用.
この話は他言しないでください。
Please don't tell anyone about this.
秘密を他言してはいけない。
You must not divulge secrets.