1.Definition: (used especially of vegetation) having lost all moisture

"Withered vines"

Related Adjective(s):sear, sere, shriveled, shrivelled

2.Definition: lean and wrinkled by shrinkage as from age or illness

"A lanky scarecrow of a man with withered face and lantern jaws", "He did well despite his withered arm"

Related Adjective(s):shriveled, shrivelled, shrunken, wizen, wizened