Artificial intelligent assistant

unchildlike

unˈchildlike, a.
  (un-1 7 c.)

[1775 Ash, Unchildlike.., unlike a child, unbecoming a child.] 1833 J. S. Mill in Monthly Repos. VII. 62 This most grown-up and unchildlike age. 1840 Dickens Barn. Rudge xxv, Something infinitely worse, so ghastly and unchild-like in its cunning. 1879 I. L. Bird Rocky Mts. 53 The family consists of a grown-up son..and three hard, unchildlike younger children.

Oxford English Dictionary

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