| frailness(noun, strong, disorder, weakness, condition) |
| old age(noun, expression, idiom, period, age) |
| ailment(noun, disorder, disease, weakness, condition) |
| anility(noun, age) |
| decline(noun, drop, fall, collapse, deterioration) |
| deterioration(noun, drop, decline, fall, collapse) |
| disrepair(noun, state, decline, collapse, deterioration) |
| enervation(noun, disorder, weakness, fault, illness) |
| insubstantiality(noun, strong, weakness, condition, failing) |
| puniness(noun, strong, disorder, weakness, condition) |
| unsubstantiality(noun, strong, weakness, condition, failing) |
| collapse(noun, decline, disorder, disease, deterioration) |
| condition(noun, disorder, disease, illness, sickness) |
| delicateness(noun, strong, disorder, weakness, condition) |
| disorder(noun, disease, weakness, condition, fault) |
| faintness(noun, weakness, fault, lack, lapse) |
| flimsiness(noun, strong, disorder, weakness, condition) |
| illness(noun, disorder, disease, weakness, condition) |
| imperfection(noun, disorder, weakness, fault, illness) |
| incapacity(noun, weakness, delicacy, inadequacy, languor) |