Artificial intelligent assistant

prateful

ˈprateful, a. rare.
  [f. prate n. + -ful.]
  Full of prate, given to prating or chattering.

1802 W. Taylor in W. Robberds Mem. (1843) I. 208 The French character seems to me much altered;..the people are more circumspect, less prateful.

Oxford English Dictionary

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