Artificial intelligent assistant

overweener

overˈweener ? Obs.
  [f. as prec. + -er1.]
  One who overweens; a conceited, presumptuous, or arrogant person.

1340 Ayenb. 21 Þe proude and þe ouerwenere weneþ more by worþ, oþer more conne: more þanne enie oþre. 1588 Kyd Househ. Phil. Wks. (1901) 269 Substance..in the manurance and handling of an ignorant, or ouerweener, dooth not only decrease but perisheth. 1625 Bp. Hall No peace w. Rome §9 What insolent over-weeners of their owne workes are these Papists, which proclaime the actions which proceed from themselves, worthy of..heaven. 1647 Trapp Comm. Matt. xxi. 31 These over-weeners of themselves.

Oxford English Dictionary

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