| sick(adjective, mean, bad, weak, thin) |
| unwell(adjective, mean, ill, sick, feeble) |
| flimsy(adjective, strong, light, weak, slight) |
| puny(adjective, strong, light, weak, slight) |
| faint(adjective, dull, weak, easy, weakness) |
| insubstantial(adjective, strong, light, weak, slight) |
| irresolute(adjective, weak, delicate, uncertain, ill) |
| powerless(adjective, hurt, weak, thin, delicate) |
| unsteady(adjective, change, strong, weak, uncertain) |
| enervated(adjective, dull, weak, easy, thin) |
| diseased(adjective, mean, weak, sick, feeble) |
| enfeebled(adjective, weak, thin, delicate, ill) |
| impotent(adjective, hurt, weak, thin, delicate) |
| indisposed(adjective, mean, bad, weak, thin) |
| lame(adjective, hurt, weak, disease, thin) |
| unstable(adjective, change, strong, weak, delicate) |
| unsubstantial(adjective, strong, light, weak, slight) |
| weakly(adjective, adverb, strong, weak, thin) |
| wobbly(adjective, change, mean, bad, strong) |
| wasted(adjective, weakness, uncertain, feeble, tired) |