| unfit(adjective, weak, appropriate, ready, inadequate) |
| unstable(adjective, weak, delicate, ill, sick) |
| unsteady(adjective, loose, uncertain, shaky, hesitant) |
| wan(adjective, dull, light, weak, soft) |
| wobbly(adjective, mean, bad, weak, slight) |
| ill-defined(adjective, weak, pale, faded) |
| anaemic |
| asthenic |
| creaky(adjective, frail, flimsy, dilapidated, debilitated) |
| dainty(adjective, light, weak, fine, delicate) |
| distant(weak, pale, faded) |
| drained(adjective, weak, exhausted, weakened, spoiled) |
| droopy(adjective, weary) |
| dry(adjective, dull, weak, poor, insufficient) |
| forceless(adjective, weak, uncertain, inferior, inadequate) |
| imbecile(adjective, weak, silly, stupid, green) |
| impuissant(adjective, uncertain, shaky, hesitant, sluggish) |
| in poor health(expression, adjective, idiom, mean, weak) |
| languorous(adjective, dull, weak, easy, slow) |
| light(adjective, calm, dull, quiet, weak) |