1. adjective
Printing such asinine opinions without rebuttal is criminal, even when not libel!
b) Guilty of breaking the law.
His criminal record shows his resistance to all crime prevention and - repression.
See Also: criminal-law, criminal-offence, criminal law, criminal negligence, criminal offence, criminal procedure, criminal record, criminalisation, criminalist, criminalistics, criminality, criminalize, criminally, criminalness, criminate, crimination, criminologist, criminology, criminousness
2. noun
A person who is guilty of a crime, notably breaking the law.
Wikipedia foundation.