| declining(adjective, weak, short, weakening, worsening) |
| defeated(adjective, weak, short, weakening, worsening) |
| deficient(adjective, weak, short, weakening, worsening) |
| deteriorating(adjective, weakening, worsening) |
| dwindling(adjective, weakening, worsening, deteriorating) |
| dying(adjective, weakening, worsening, deteriorating) |
| fading(adjective, weakening, worsening, deteriorating) |
| failing(adjective, poorly, weakening, worsening, deteriorating) |
| faint(adjective, weak, short, weakening, worsening) |
| feeble(adjective, weak, short, weakening, worsening) |
| feeling rotten |
| inadequate(adjective, weak, short, weakening, worsening) |
| insufficient(adjective, weak, short, weakening, worsening) |
| not well(expression, adjective, weak, short, failing) |
| on sick list |
| scant(adjective, weak, short, weakening, worsening) |
| scanty(adjective, weak, short, weakening, worsening) |
| scarce(adjective, weak, short, weakening, worsening) |
| short(adjective, weak, weakening, worsening, deteriorating) |
| unavailing(adjective, weak, short, weakening, worsening) |