Artificial intelligent assistant

wrinkleless

ˈwrinkleless, a.
  Also 8 wrinkless.
  [f. wrinkle n.1 + -less.]
  Destitute of or free from wrinkles.

1793 Holcroft tr. Lavater's Physiog. xliv. 225 The wrinkless, compressed, yet open forehead. 1880 ‘Mark Twain’ Tramp Abr. xxvii. 245 He wore..wrinkleless kids. 1881 C. Gibbon Heart's Problem iii, His sallow and almost wrinkleless face.

Oxford English Dictionary

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