lean and wrinkled by shrinkage as from age or illness; "the old woman's shriveled skin"; "he looked shriveled and ill"; "a shrunken old man"; "a lanky scarecrow of a man with withered face and lantern jaws"-W F Starkie; "he did well despite his withered arm"; "a wizened little man with frizzy gray hair"
A wizened person is old and has a lot of lines on their skin. a little wizened old fellow with no teeth. a wizened person, fruit etc is small and thin and has skin with a lot of lines and wrinkles