Artificial intelligent assistant

surreptious

suˈrreptious, a. Obs.
  [Shortened form of surreptitious a.1, or directly f. surreption1: cf. suppositious.]
  Surreptitious. So suˈrreptiously adv., surreptitiously.

1573 Reg. Privy Council Scot. II. 318 The said signature..is..impetrat surreptiouslie. 1587 Ibid. IV. 173 [The said Bishop] hes of lait..surreptiouslie purchast letters of discharge. 1630 Ussher Lett. (1686) 430 Whether it carrieth not with it a powerful Non obstante to that surreptious Grant. 1642 Chas. I. Answ. Proposals Ho. Parl. 19 Any surreptiously gotten Command of the King.

Oxford English Dictionary

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