debilitate

fatigued; weary; drowsy; drooping; haggard; toilworn, wayworn:, footsore, surbated, weatherbeaten; faint; done up, used up, knocked up; bushed [U.S.]; exhausted, prostrate, spent; overtired, overspent, overfatigued; unrefreshed, unrestored., worn, worn out; battered, shattered, pulled down, seedy, altered., breathless, windless; short of breath, out of breath, short of wind; blown, puffing and blowing; short-breathed; anhelose; broken winded, short- winded; dyspnaeal, dyspnaeic., ready to drop, all in, more dead than alive, dog-weary, walked off one's legs, tired to death, on one's last legs, played out, hors de combat., fatiguing; tiresome, irksome, wearisome; weary, trying.