Artificial intelligent assistant

unabatable

unaˈbatable, a.
  (un-1 7 b.)

1788 T. Paine Amer. Crisis (1817) 170 The enmity is perpetual, unalterable, and unabateable. 1837 Carlyle Fr. Rev. i. iii. iv, The wise man..sees..all the symptoms he has ever met with in history,—unabateable by soothing Edicts.

Oxford English Dictionary

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