| infirmity(noun, weak, disorder, weakness, fault) |
| enervation(noun, strong, weak, weakness, sick) |
| weakness(noun, weak, disorder, fault, illness) |
| exhaustion(noun, decrease, weakness, reduction, fatigue) |
| enfeeblement(noun, strong, decrease, weakness, reduction) |
| fatigue(noun, weak, sick, unhealthy, weariness) |
| debility(noun, weak, disorder, weakness, fault) |
| feebleness(noun, weak, disorder, weakness, fault) |
| frailty(noun, weak, disorder, weakness, fault) |
| languor(noun, weak, sick, unhealthy) |
| decrepitude(noun, disorder, weakness, fault, illness) |
| delicacy(noun, weak, sick, unhealthy) |
| fragility(noun, weak, sick, unhealthy, feebleness) |
| weakening(noun, decrease, weakness, reduction, wear) |
| weariness(noun, fatigue, weariness, tiredness, sleepiness) |
| faintness(noun, weak, sick, unhealthy, weariness) |
| impotence(noun, weak, sick, unhealthy) |
| sleepiness(noun, weariness) |
| attenuation(noun, strong, decrease, weakness, reduction) |
| impairment |