Shady

a.
  1. Abounding in shade or shades; overspread with shade; causing shade.
  2. Sheltered from the glare of light or sultry heat.
  3. Of or pertaining to shade or darkness;
    4. On the shady side of ,
    on the thither side of; as, on the shady side of fifty; that is, more than fifty.
    To keep shady ,
    to stay in concealment; also, to be reticent.