| ailing(adjective, adverb, health, weak, sad) |
| feeble(adjective, dull, strong, light, weak) |
| infirm(adjective, dull, weak, easy, disease) |
| ill(adjective, adverb, weak, sad, thin) |
| sick(adjective, adverb, health, dull, light) |
| unwell(adjective, adverb, weak, anxious, ill) |
| unhealthy(adjective, weak, disease, thin, offensive) |
| weak(adjective, dull, strong, light, soft) |
| debilitated(adjective, weak, thin, delicate, uncertain) |
| frail(adjective, weak, thin, delicate, uncertain) |
| indisposed(adjective, health, weak, thin, ill) |
| poorly(adjective, adverb, weak, thin, ill) |
| pallid(adjective, dull, light, weak, soft) |
| pale(adjective, dull, light, weak, soft) |
| under the weather(expression, adjective, idiom, adverb, health) |
| wan(adjective, dull, light, weak, soft) |
| peaked(adjective, health, weak, thin, delicate) |
| puny(adjective, weak, thin, delicate, uncertain) |
| sallow(adjective, dull, light, soft, poor) |
| seedy(adjective, weak, weakness, thin, ill) |