枯槁

枯槁	kū gǎo	(of vegetation) withered / (of a person) haggard
枯	kū	(of plants) withered / (of wells, rivers, etc) dried up / (bound form) dull; boring / (bound form) residue of pressed oilseeds
槁	gǎo	variant of 槁 / dried up
槁	gǎo	dried up (wood) / dead tree