| bad(adjective, good, weak, false, inferior) |
| poorly(adjective, bad, weak, thin) |
| out of sorts(expression, adjective, idiom, humor) |
| sick(adjective, deficient, incomplete, infirm) |
| unwell(adjective, weak, sick, feeble) |
| ailing(adjective, weak, sick, infirm) |
| down(adjective, bad, weak, thin) |
| imperfect(adjective, bad, weak, poor, miserable) |
| indisposed(adjective, weak, sick, feeble) |
| rotten(adjective, bad, weak, poor, nasty) |
| unhealthy(adjective, adverb, bad, weak, poor) |
| debilitated(adjective, bad, weak, inadequate) |
| diseased(weak, thin, sick, feeble) |
| faint(weak, thin, feeble, pale) |
| feeble(adjective, bad, weak, poor, thin) |
| lousy(offensive, inferior, improper, distasteful) |
| off-color(adjective, weak, thin, feeble) |
| rocky(adjective, bad, weak, thin) |
| run-down(adjective, weak, shape, sick) |
| seedy(weak, thin, feeble, pale) |