Artificial intelligent assistant

ageless

ageless, a.
  (ˈeɪdʒlɪs)
  [f. age n. + -less.]
  Without old age or limits of duration; never waxing old or coming to an end.

1651 T. Stanley Poems 24 Ageless ever singing. 1855 Bailey Mystic 89 Fountains of ageless youth and maidenhood. 1858 Neale Bernard de Morlaix 17 Peace endless, strifeless, ageless.

Oxford English Dictionary

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