Artificial intelligent assistant

protractive

proˈtractive, a. Obs.
  [f. L. prōtract- (see protract v.) + -ive.]
  Characterized by or tending to protraction; lengthening out, delaying.

1606 Shakes. Tr. & Cr. i. iii. 20 Our workes,..nought else But the protractiue trials of great Ioue. 1687 Dryden Hind & P. iii. 1103 He saw, but suffer'd their Protractive Arts. 1796 Mod. Gulliver's Trav. 149 By this protractive work, fresh mischief grows. 1819 H. Busk Vestriad iv. 675 Protractive alleys the trim grove deform.

Oxford English Dictionary

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