Artificial intelligent assistant

unlasting

unˈlasting, ppl. a.
  (un-1 10.)

1585 Abp. Sandys Serm. ix. 146 Mans life is as vnlasting as a flower. 1790 A. Wilson Epist. to A. Clarke Poet. Wks. (1846) 48 Struggling hard for base unlasting pelf.

Oxford English Dictionary

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