Artificial intelligent assistant

unavailableness

unaˈvailableness
  (un-1 12.)

1548 Geste Pr. Masse E j b, Whych dyde [= deed] as it is a grounded proufe of falshode so of y⊇ vnauaileablenes of y⊇ masse. 1599 Sandys Europæ Spec. (1605) L 3 b, Doubting else the vnavaileablenesse of those former inconveniences. 1611 W. Sclater Key (1629) 130 Vncertaintie,..vnprofitablenesse, and vnauaileablenesse eyther to decline wrath, or procure saluation. 1638Serm. Experimentall 63 The unavailablenesse of all outward benefits, to stead us in the day of Gods wrath. 1829 E. Bather Serm. II. 564 The utter unavailableness of man's presumed merits. 1870 Ruskin Lect. Art v. 123 The impossibility of using it [oil-colour] with safety..and its unavailableness for note-book sketches and memoranda.

Oxford English Dictionary

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