Criminal
Part of speech: noun
Definition: A person who is guilty of a crime, notably breaking the law.
Part of speech: adjective
Definition: Being against the law, forbidden by legislation. Guilty of breaking the law. In various legal systems, the most serious type of law-breaking, carrying graver sentences then one or more 'lesser' categories Of or relating to crime, criminality. As abhorrent as vile crime, in a moral, logical or other non-legal context Of or relating to crime control, notably penal law.
Malefactor
Part of speech: noun
Definition: A criminal or felon.An evildoer.