I. adjective
Synonyms: unlawful , illegal, illegitimate, illicit, lawless, wrongful
II. noun
one who has committed a usually serious offense
car thieves and other criminals
Synonyms: felon, lawbreaker, malefactor, offender
Related Word: scofflaw; transgressor, trespasser, wrongdoer; crook, ||twicer; gangster, hood, mobster, racketeer, thug; fugitive, outlaw; convict, jailbird