What does the word superficial mean?

Usage examples for superficial

  1. T. X. drew on a pair of gloves and examined the bright surface for finger- prints, but a superficial view revealed no such clue. – The Clue of the Twisted Candle by Edgar Wallace
  2. He would smile at my prompt but superficial reply. – Indian Boyhood by [AKA Ohiyesa], Charles A. Eastman
  3. In point of fact, these differences were all merely superficial. – The English Church in the Eighteenth Century by Charles J. Abbey and John H. Overton