Artificial intelligent assistant

plasterless

plasterless, a.
  (ˈplɑːstəlɪs, -æ-)
  [f. plaster n. + -less.]
  Of a building, structure, etc.: not provided with plaster; lacking plaster.

1866 ‘Mark Twain’ Lett. from Hawaii (1967) 101 A huge gridiron of plasterless lathing droops from above. 1919 J. Masefield Battle of Somme 29 A few skeleton sheds of plasterless woodwork. 1926 Public Opinion 26 Mar. 310/1 A plasterless brick house would be preferable to a plasterless steel house.

Oxford English Dictionary

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