| sickish(adjective, weak, feeble, unhealthy) |
| sinewless(adjective, weak, feeble, unhealthy) |
| slack(adjective, weak, feeble, unhealthy) |
| slim(adjective, weak, feeble, unhealthy) |
| slimpsy(adjective, weak, feeble, unhealthy) |
| small(adjective, weak, feeble, unhealthy) |
| softie(adjective, weak, feeble, unhealthy) |
| softling(adjective, weak, feeble, unhealthy) |
| softy(adjective, weak, feeble, unhealthy) |
| squeamish(adjective, weak, feeble, unhealthy) |
| strengthless(adjective, weak, feeble, unhealthy) |
| thin(adjective, weak, feeble, unhealthy) |
| trick(adjective, weak, feeble, unhealthy) |
| twiggy(adjective, weak, feeble, unhealthy) |
| valetudinarian(adjective, weak, feeble, unhealthy) |
| valetudinary(adjective, weak, feeble, unhealthy) |
| wan(adjective, weak, feeble, unhealthy) |
| wanting in vigor(adjective, weak, feeble, unhealthy) |
| wanting in vigour(adjective, weak, feeble, unhealthy) |
| washy(adjective, weak, feeble, unhealthy) |