Artificial intelligent assistant

baddy

baddy colloq. (orig. U.S.).
  (ˈbædɪ)
  [f. bad a. + -y6. Prob. shortened from bad man.]
  A criminal or desperado (cf. bad man), esp. a villain in a play or film, esp. a western; hence gen. (as a jocular designation), a person of bad character.

1937 in Amer. Speech (1938) Apr. 107/1 One of the screen's consistent baddies, Bruce Cabot, feels the effect of the regime of vigorous villains. 1951 J. Frame Lagoon 79 We got shouted to the pictures..where we cheered the goodies and booed the baddies. 1958 Times Lit. Suppl. 25 Apr. 226/1 The Communists are goodies and John L. Lewis is a baddy.

Oxford English Dictionary

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