| in a decline(expression, idiom, shaky, unhealthy, unsound) |
| unhealthy(adjective, sick, unfit, sickly, flabby) |
| ailing(sick, unhealthy, unfit, sickly, flabby) |
| anemic(sick, unfit, sickly) |
| below par(expression, sick, unhealthy, unfit, sickly) |
| debilitated(sick, unhealthy, unfit, sickly, flabby) |
| delicate(sick, unhealthy, unfit, sickly, flabby) |
| diseased(sick, unhealthy, unfit, sickly, flabby) |
| down(sick, unhealthy, unfit, sickly, flabby) |
| dragging(sick, unhealthy, unfit, sickly, flabby) |
| feeble(sick, unhealthy, unfit, sickly, flabby) |
| frail(sick, unhealthy, unfit, sickly, flabby) |
| ill(sick, unhealthy, unfit, sickly, flabby) |
| in poor health(expression, idiom, sick, unhealthy, unsound) |
| infirm(sick, unhealthy, unfit, sickly, flabby) |
| invalid(sick, shaky, unhealthy, unfit, sickly) |
| laid low(expression, sick, unhealthy, unsound, unfit) |
| out of action(expression, idiom, sick, shaky, unhealthy) |
| out of condition(expression, idiom, sick, unhealthy, unfit) |
| out of shape(expression, idiom, sick, unhealthy, unfit) |