unlawful, felonious, illegal, wrongful; see illegal, wicked 1, 2.

lawbreaker, convict, malefactor, felon, crook*, hardened criminal, underworld character, evildoer*, sinner*, culprit*, offender, perpetrator, perp*, outlaw*, fugitive*, public enemy*, desperado*, hoodlum*, gangster*, wrongdoer*, delinquent*, transgressor*, miscreant*, recidivist*, mobster*, scofflaw*. *

Criminals include: traitor, murderer, manslayer, assassin, blackmailer, black marketeer, killer, rapist, molester, thug, gangster, raider, burglar, safecracker, quitting-business promoter, racketeer, swindler, clip artist, griffer, confidence man*, con man*, thief, robber, outlaw, highway man, bandit, sneak thief, cat burglar, second-story man, cattle thief*, rustler*, horse thief, pickpocket, grafter, arsonist, counterfeiter, forger, check artist*, smuggler, buccaneer, extortionist, embezzler, kidnapper, mugger, gunman, trigger man, hit man, torpedo plugger, accomplice*, ringer*, stooge*, briber*, fixer*, absconder, convict, con*, dope peddler, drug dealer, pusher*.