drained of energy or effectiveness; extremely tired; completely exhausted; "the day's shopping left her exhausted"; "he went to bed dog-tired"; "was fagged and sweaty"; "the trembling of his played out limbs"; "felt completely washed-out"; "only worn-out horses and cattle"; "you look worn out"

Worked as an unpaid servant for an older boy in an English public (boarding) school.

same as burned-out, 1.