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