| feeble(inadequate, inappropriate, unhealthy, unsuitable, unlikely) |
| flimsy(adjective, inadequate, useless, inappropriate, unhealthy) |
| half-starved |
| ill-adapted(adjective, inadequate, useless, inappropriate, unhealthy) |
| ill-fitted |
| ill-furnished |
| ill-provided |
| ill-suited(adjective, inadequate, useless, inappropriate, unhealthy) |
| ill off |
| impoverished |
| improper(adjective, inadequate, useless, inappropriate, unhealthy) |
| inadequate(adjective, useless, inappropriate, unhealthy, unsuitable) |
| inapplicable(adjective, inadequate, useless, inappropriate, unhealthy) |
| inappropriate(adjective, inadequate, useless, unhealthy, unsuitable) |
| incompatible(adjective, inadequate, useless, inappropriate, unhealthy) |
| incongruous(adjective, inadequate, useless, inappropriate, unhealthy) |
| incorrect(adjective, inadequate, useless, inappropriate, unhealthy) |
| ineffective(inadequate, useless, inappropriate, unhealthy, unsuitable) |
| ineligible(adjective, inadequate, useless, unqualified, inexpert) |
| inexpedient(adjective, inadequate, useless, inappropriate, unhealthy) |