Artificial intelligent assistant

knark

knark slang.
  (nɑːk)
  [Cf. Da. knark an old crabbed person; but see also nark n. 2.]
  A hard-hearted, unfeeling person.

1851 Mayhew Lond. Labour I. 343 (Hoppe) He was a good man; he couldn't refuse a dog,..but he had a butler, a regular ‘knark’.

Oxford English Dictionary

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