Synonyms and related words :
aged, anile, childish, childlike, crabbed, debilitated, decrepit, dilapidated, doddered, doddery, doited, doting, faltering, feeble, fossilized, frail, gerontal, gerontic, groggy, infirm, mossbacked, moth-eaten, mummylike, old, palsied, papery-skinned, quaking, quavering, quivering, ramshackle, ravaged with age, reeling, ricketish, rickety, rocky, run to seed, rusty, senile, shaking, shaky, shriveled, spidery, spindly, staggering, stricken in years, superannuated, teetering, teetery, timeworn, tottering, tottery, trembling, trembly, tumbledown, unsteady, weak, withered, wizened, wobbly