Criminal
Villain
Synonyms Lawbreaker, villain, malefactor, wrongdoer, sinner, juvenile delinquent, thief, armed robber, housebreaker, mugger, fraudster, racketeer, gangster, bandit, bioterrorist, ecoterrorist, agroterrorist, holdupper, con, (old) lag, baddie, yardbird, lighty, tea leaf, malfeasant, infractor, trespasser, transport, defalcato, offender, delinquent, culprit, transgressor, young offender, felon, robber, burglar, shoplifter, rapist, swindler, gunman, outlaw, terrorist, narco-terrorist, cyberterrorist, yakuza, crook, jailbird, lifer, crim, yegg, tief, cracksman, misfeasor, miscreant, trusty, and peculator.
Illicit
Synonyms Unlawful, against the law, illegitimate, lawless, delinquent, villainous, corrupt, indictable, actionable, unsanctioned, banned, interdicted, wrong, evil, iniquitous, shady, bent, malfeasant, illegal, illicit, lawbreaking, felonious, culpable, nefarious, fraudulent, punishable, unauthorized, outlawed, forbidden, proscribed, bad, wicked, crooked, dirty, and dodgy.
Shameful
Synonyms Deplorable, shameful, disgraceful, unforgivable, unacceptable, foolish, outrageous, shocking, wicked, immoral, egregious, preposterous, reprehensible, inexcusable, unpardonable, senseless, ridiculous, monstrous, scandalous, sinful, and iniquitous.
Example Sentences
The criminal was arrested last night.
He has a history of criminal behavior.
The documentary focused on criminal psychology.
They discussed the criminal justice system.