| exhausted(adjective, weak, thin, delicate, uncertain) |
| ill-defined(adjective, dull, weak, rough, dark) |
| infirm(adjective, dull, weak, easy, weakness) |
| keel over(verb, expression, phrasal verb, action, break) |
| murky(adjective, dull, obscure, dark, gloomy) |
| syncope(noun, awareness, slumber, stupor, oblivion) |
| blackout(noun, verb, state, awareness, slumber) |
| cloudy(adjective, dull, clear, obscure, rough) |
| debilitated(adjective, weak, thin, delicate, uncertain) |
| enervated(adjective, dull, weak, easy, thin) |
| faded(adjective, dull, light, weak, soft) |
| faltering(adjective, weak, delicate, property, ill) |
| fragile(adjective, weak, soft, slight, gentle) |
| giddy(adjective, sick, shaky, confused, green) |
| languish(noun, verb, break, drop, dull) |
| mild(adjective, calm, quiet, strong, weak) |
| muffled(adjective, quiet, weak, soft, low) |
| muted(adjective, calm, close, quiet, weak) |
| sickly(adjective, dull, light, weak, soft) |
| subtle(adjective, quiet, slight, gentle, fine) |