| not healthy(expression, adjective, mean, weak, thin) |
| not working(expression, adjective, hurt, down, tense) |
| off-color(adjective, mean, weak, thin, ill) |
| on hold(expression, adjective, dull, idle, sluggish) |
| on sick list |
| on the blink |
| ossified(adjective, dull, idle, sluggish, lazy) |
| out of commission(expression, adjective, idiom, dull, idle) |
| out of order(expression, adjective, idiom, down, broken) |
| out of service(expression, adjective, idiom, dull, idle) |
| out of shape(expression, adjective, idiom, mean, weak) |
| out of work(expression, adjective, idiom, dull, idle) |
| pallid(adjective, mean, weak, thin, feeble) |
| passive(adjective, dull, sluggish, lazy, inert) |
| peaked(adjective, weak, thin, sick, feeble) |
| peaky(adjective, mean, weak, thin, ill) |
| pining(adjective, mean, weak, thin, ill) |
| poorly(adjective, weak, thin, sick, feeble) |
| quiescent(adjective, dull, idle, sluggish, lazy) |
| quiet(adjective, dull, idle, sluggish, lazy) |