A felon, outlaw, villain.

? A criminal, traitor.

One who transgresses or violates a law, oath, convention, etc.

A person guilty of a heinous offence against the law; a felon, a criminal. Also in extended use.

One who violates the law.

A lawbreaker, a wrongdoer. Obsolete.

= malefactor, n.

Law. One who is guilty of a wrong, tort, or trespass; a trespasser, tort-feasor; a law-breaker.

One who contravenes.

(a) A person guilty or convicted of a crime. (b) A person with a tendency to commit crime.

= contravener, n.

A person, fellow, chap (now archaic); spec. (a) a rough or ugly person; a criminal; (b) Criminals' slang a person who is not part of the…

One whose conduct is crooked; a dishonest person, swindler, sharper. Originally U.S. colloquial. Now esp. a professional criminal or an associate of…

A person who lives without regard for the law; a miscreant, felon, criminal, esp. one on the run from a law enforcement agency.

slang. An accomplice or assistant in any of various kinds of crime or scam (see quots.). Also: a member of a criminal gang.

U.S. A human being in various slang applications. A criminal.

a criminal or law-breaker. U.S. slang.

= criminal, n. 2.

one who exhibits such tendencies.

Originally, a low-born base-minded rustic; a man of ignoble ideas or instincts; in later use, an… A professional criminal. slang.

A person who engages in unlawful, fraudulent, or illicit activities; a criminal, a hustler. Also in weakened sense: a tough, aggressive, or…