blackmail
verbverb Verb Forms present simple I / you / we / they blackmail he / she / it blackmails past simple blackmailed -ing form blackmailing
jump to other results to force someone to give you money or do something for you by threatening them, for example by saying you will tell people a secret about them blackmail somebody She blackmailed him for years by threatening to tell the newspapers about their affair. blackmail somebody into doing something The president said he wouldn't be blackmailed into agreeing to the terrorists' demands.
See blackmail in the Oxford Advanced Learner's Dictionary