| low(adjective, health, weak, sad, thin) |
| enfeebled(adjective, weak, thin, delicate) |
| invalid(adjective, weak, sick, feeble) |
| anemic(adjective, health, dull, light, weak) |
| peaky(adjective, weak, thin, sick) |
| in poor health(expression, adjective, idiom, weak, thin) |
| languid(adjective, dull, weak, easy, weakness) |
| out of sorts(expression, adjective, idiom, adverb) |
| failing(adjective, weak, thin, delicate) |
| mean(adjective, health, weak, thin) |
| sickish(adjective, weak, thin, sick) |
| halting(disease, sick, unwell) |
| lame(adjective, weak, disease, thin, delicate) |
| off-color(adjective, health, weak, thin) |
| rocky(adjective, health, weak, thin, uncertain) |
| shaky(adjective, weak, thin, delicate, uncertain) |
| below par(expression, adjective, weak, sick) |
| bilious(adjective, weak, thin, anxious) |
| cranky(adjective, weak, thin, sick) |
| down(adjective, weak, thin, sick) |