Artificial intelligent assistant

umbratious

umˈbratious, a. Obs.—1
  [Irreg. f. umbrace n.]
  Suspicious.

a 1639 Wotton Parall. Essex & Buckhm. in Reliq. (1651) 11 He was to wrastle with a Queens declyning, or rather with her very setting Age,..which..is commonly even of it selfe the more umbratious and apprehensive.

Oxford English Dictionary

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