Artificial intelligent assistant

disharmonical

disharˈmonical, a. Obs.
  [f. dis- + harmonical, after disharmony.]
  = prec.

1688 Norris Theory Love ii. i. 88 Some..strokes upon it [a musical instrument] will..be harmonical, and other some..disharmonical. Ibid. (1694) 74 The same Strokes, that were before disharmonical, may be now harmonical.

Oxford English Dictionary

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