wizen

1. 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"