Synonyms and related words :
aged, aging, ancient, anile, childish, childlike, crabbed, debilitated, declining, decrepit, doddered, doddering, doddery, doited, dotard, doting, dotty, enfeebled, failing, feeble, fogy, fogyish, forgetful, fossilized, fuddy-duddy, gerontal, gerontic, infirm, mossbacked, moth-eaten, mummylike, old, old fart, old fogy, old-fogy, old-fogyish, palsied, papery-skinned, ravaged with age, rickety, run to seed, rusty, senescent, shaky, shattered, shriveled, simple, stodgy, stricken in years, stuffy, timeworn, tottering, tottery, weak, withered, wizened