all in, aweary(archaic), beat, beaten, bleary, burned-out(or burnt-out), bushed, dead, done, drained, exhausted, fatigued, jaded, limp, logy(also loggy), played out, pooped(slang), prostrate, spent, tapped out, tired, tuckered (out), washed-out, wearied, weary, wiped out, worn, worn-out

overfatigued, overtaxed, overworkedbroken-down, run-downdebilitated, enervate, enervated, enfeebled, sapped, weakeneddrowsy, heavy, sleepylethargic, sluggish

worn to a frazzle