a cruel or vicious ruffian, robber, or murderer.

( sometimes initial capital letter ) one of a former group of professional robbers and murderers in India who strangled their victims.

noun

assassin , bandit , bully , criminal , delinquent , gang member , gangster , goon * , gorilla , gunman , hired killer , hood , hooligan , killer , mobster , murderer , professional killer , punk , rioter , rowdy , ruffian , troublemaker , hoodlum , tough , cutthroat , goon , rough , torpedo