Artificial intelligent assistant

coverless

coverless, a.
  (ˈkʌvəlɪs)
  [f. cover n. + -less.]
  Without a cover. Hence ˈcoverlessness.

1863 B. Jerrold Signals of Distress 4 The gin-palace on one side of the way, and the empty cupboard and coverless bed opposite. 1881 Mrs. H. Hunt Childr. Jerus. 58 The dinner was..[sent] coverless through the storm. 1886 Sat. Rev. 28 Aug. 304 The little quartos are so well printed..that one is bound to excuse..their coverlessness.

Oxford English Dictionary

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