DECREPIT

adj. 1 feeble, enfeebled, weak, weakened, frail, infirm, wasted, worn out, unfit, debilitated, enervated, disabled, incapacitated, crippled, doddering; out of shape, in bad shape; aged, old, elderly, ancient, superannuated, senescent, senile, Colloq gaga The old man was so decrepit he was unable to lift the cup to his lips 2 dilapidated, deteriorated, crumbling, decayed, decaying, withered, wasted, antiquated, tumbledown, broken-down, rickety, unstable, shaky, ramshackle, derelict, creaking, creaky, run-down The barn was so decrepit we had to tear it down