| uneasy(adjective, anxious, uncomfortable) |
| unhealthy(adjective, infirm, poorly) |
| unmoneyed(adjective, sick, tormenting, stricken, hospitalized) |
| unprosperous(adjective, sick, tormenting, stricken, hospitalized) |
| unwell(adjective, weak, sick, feeble, tormenting) |
| upset(adjective, anxious, uncomfortable) |
| used(unwell, qualmish) |
| vomiting(adjective, miserable) |
| washed out(expression, enervated, senescent, irresilient) |
| wasting(adjective, weak, feeble) |
| weak(adjective, feeble) |
| weakened(enervated, senescent, irresilient) |
| weakly(enervated, senescent, irresilient) |
| wimpy(enervated, senescent, irresilient) |
| wobbly(adjective, mean, green, imperfect) |
| woozy(adjective, infirm, unwell, poorly, nauseated) |
| worried(adjective, anxious, uncomfortable) |
| wounded(adjective, sick, tormenting, stricken, hospitalized) |
| wreck(adjective, infirm, poorly) |