WordNet sense 1 (used until no longer useful):

raddled

WordNet sense 2 (affected by wear; damaged by long use):

worn

WordNet sense 3 (drained of energy or effectiveness; extremely tired; completely exhausted):

dog-tired, exhausted, spent, washed-out, fagged, fatigued, played out

WordNet sense 4 (depleted of strength or energy):

tired