adjective
lawless, felonious
Synonyms: bent, caught, corrupt, crooked, culpable, deplorable, dirty, heavy, hung up, illegal, illegitimate, illicit, immoral, indictable, iniquitous, nefarious, off base, out of line, peccant, racket, scandalous, senseless, shady, smoking gun, unlawful, unrighteous, vicious, villainous, wicked, wildcat, wrong
Antonyms: correct, lawful, legal, moral, right, righteous
noun
person who breaks the law
Synonyms: bad actor, blackmailer, black marketeer, con, convict, crook, culprit, delinquent, desperado, deuce, evildoer, ex-con, felon, fugitive, gangster, guerilla, heavy, hood, hoodlum, hooligan, hustler, inside person, jailbird, lawbreaker, malefactor, mobster, mug, muscle, offender, outlaw, racketeer, repeater, scofflaw, sinner, slippery eel, thug, transgressor, trespasser, wrongdoer, yardbird
Antonyms: law, police