Artificial intelligent assistant

mischanced

misˈchanced, a.
  [f. mischance n. + -ed.]
   1. Unlucky, unfortunate, ill-fated. Obs.

c 1470 Henry Wallace viii. 320 Curssand fortoun off his myschansit [ed. 1570 mischancefull] cace. 1552 Huloet, Mischaunced, infortunatus.

  2. Gone wrong.

1875 O. Schmidt Doctr. Descent xi. 255 From these [the Annulosa] diverged on one side the Testacea, who might perhaps be called mischanced vertebrata, and on the other the true vertebrate animals.

Oxford English Dictionary

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