looking exhausted and unwell, especially from fatigue, worry, or suffering.
Merriam-Webster Online Dictionary
haggard (adjective)1.
of a hawk not tamed
2.
a) wild in appearance
b) having a worn or emaciated appearance - gaunt haggard faces looked up sadly from out of the straw W. M. Thackeray
1.
an adult hawk caught wild
2.
obsolete an intractable person
Sir (Henry) Rider 1856–1925 Eng. nov.