Artificial intelligent assistant

prolonged

prolonged, ppl. a.
  (-ˈlɒŋd)
  [f. prolong v. + -ed1.]
  Lengthened, extended (in space or time).

1796 Instr. & Reg. Cavalry (1813) 133 The adjutant..marks the prolonged point towards the other flank. 1864 Pusey Lect. Daniel (1876) 471 Each century is a prolonged victory over the destroyer of all human things. 1867 Freeman Norm. Conq. I. iv. 245 Tired of Lewis' prolonged sojourn at Rouen. 1883 H. Tuttle in Harper's Mag. Nov. 814/1 The hills are neither too prolonged nor too abrupt. Mod. Loud and prolonged cheers followed the close of the speaker's eloquent appeal.

Oxford English Dictionary

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