Artificial intelligent assistant

catantiphrastical

caˌtantiˈphrastical, a. Obs. rare—1.
  [f. Gr. κατ' ἀντίϕρασιν by antiphrasis: cf. antiphrastical.]
  = antiphrastic.

1645 J. Goodwin Innocency & Tr. Triumph. 51 It may be that this argument is figurative and cat-antiphrasticall: And so, by confusions, disorders, etc. he means peace, unitie and concord amongst men.

Oxford English Dictionary

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