noun
threatening letter; intimidating letter
A written message that threatens or intimidates the recipient. Often used in criminal contexts. Compare with 脅迫状, which is similar but may emphasize a formal written threat.
See also: 脅迫状
彼は脅迫文を受け取って警察に通報した。
He received a threatening letter and reported it to the police.
脅迫文を送ることは犯罪です。
Sending a threatening letter is a crime.