Artificial intelligent assistant

uncassable

unˈcassable, a., unˈcassed, ppl. a. Obs.
  (un-1 7 b, 8. See cass v.)

1599 Queen Elizabeth in Moryson Itin. (1617) ii. 56 You may keep the Captaines uncassed, but not give any warrant to them to supply their Companies with any more Irish. 1609 Skene Reg. Maj. 12 In that case he affirmes the brieve to be valide, and vncassable.

Oxford English Dictionary

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