1. to threaten to reveal embarrassing or harmful information about someone unless they give you money or do what you want
Usage: third person singular present tense

1. instances of threatening to reveal embarrassing information unless demands are met
Usage: plural form

Examples

• He blackmails his former business partner with stolen documents.
• The criminal blackmails wealthy celebrities for money.
• She refuses to give in when someone blackmails her.
• The detective investigated several blackmails in the city.
• These blackmails have been going on for months.
• The company blackmails competitors using insider information.
• Multiple blackmails were reported to the police last year.