| foolish |
| footsore |
| fossil(tired, gray, mature, aged, older) |
| frazzled |
| geriatric(adjective, tired, gray, mature, enervated) |
| getting on(expression, tired, gray, mature, aged) |
| gimp(adjective, broken, enervated, senescent, disabled) |
| gone to seed(expression, adjective, idiom, exhausted, limp) |
| good and tired(expression, idiom) |
| gray(tired, mature, aged, older, elderly) |
| gray-haired(adjective, tired, gray, mature, enervated) |
| grizzled(tired, gray, mature, aged, older) |
| hobbled(verb, disabled) |
| housebound(adjective, broken, enervated, senescent, disabled) |
| inactive(tired, gray, mature, aged, older) |
| incompetent(adjective, weak, thin, delicate, inadequate) |
| indecisive(adjective, weak, thin, delicate, shaky) |
| ineffectual(adjective, weak, thin, delicate, inadequate) |
| inefficient(adjective, weak, thin, delicate, shaky) |
| insecure(adjective, weak, delicate, ill, sick) |