| crippling(verb, adjective, disabling) |
| debilitation(noun, decrease, weakness, reduction, wear) |
| ebb(noun, drop, decline, fall, decrease) |
| enfeeblement(noun, drop, fall, decrease, weakness) |
| flagging(noun, adjective, drop, decrease, retreat) |
| relapse(noun, drop, decline, fall, failure) |
| slackening(noun, adjective, drop, decrease, retreat) |
| attenuation(noun, decrease, weakness, reduction, wear) |
| damage(noun, deterioration, injury) |
| disabling(verb, adjective, disabling) |
| dulling(verb, disabling) |
| dying(verb, adjective, lessening, worsening, deteriorating) |
| enervation(noun, weakness, debilitation) |
| exhausting |
| exhaustion(noun, decrease, weakness, reduction, debilitation) |
| impairing(verb, disabling) |
| impairment(noun, damage, injury) |
| injury(noun, damage) |
| languishing(verb, adjective, fading, wearying, flagging) |
| loss(noun, drop, decline, fall, damage) |