n. 25B6; noun a convicted criminal : LAWBREAKER, offender, villain, delinquent, felon, convict, malefactor, wrongdoer, culprit, miscreant; thief, burglar, robber, armed robber, gunman, gangster, terrorist; informal crook, con, jailbird, (old) lag; N. Amer. informal hood, yardbird; Austral./NZ informal crim; Law malfeasant.
25B6; adjective
criminal conduct : UNLAWFUL, illegal, illicit, lawless, felonious, delinquent, fraudulent, actionable, culpable; villainous, nefarious, corrupt, wrong, bad, evil, wicked, iniquitous; informal crooked; Brit. informal bent; Law malfeasant.
(informal) a criminal waste of taxpayer's money : DEPLORABLE, shameful, reprehensible, disgraceful, inexcusable, unforgivable, unpardonable, outrageous, monstrous, shocking, scandalous, wicked.
lawful.