Artificial intelligent assistant

dilful

dilful
  obs. form of doleful a.

c 1420 Anturs of Arth. xiii, Lo! hou dilful dethe hase thi Dame dyȝte! ? a 1500 Chester Pl. (1843) I. 69 But that I do this dilfull dede The Lord will not quite me in my nede.

Oxford English Dictionary

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