1. (n.) One who has sinned; especially, one who has sinned without repenting; hence, a persistent and incorrigible transgressor; one condemned by the law of God.

2. (v. i.) To act as a sinner.

bad person criminal crook culprit deceiver delinquent evil man evil person evildoer felon gangster lawbreaker malefactor malevolent malfeasant malfeasor miscreant misdemeanant misdemeanist misfeasor mobster offender outlaw public enemy racketeer reprobate thief transgressor trespasser villain worker of ill wrongdoer