| impotence(noun, weak, sick, unhealthy) |
| impotent(adjective, weak, thin, delicate, shaky) |
| impuissance(noun, weak, sick, unhealthy) |
| inadequate(adjective, weak, thin, delicate, shaky) |
| incompetent(adjective, weak, thin, delicate, shaky) |
| indecisive(adjective, weak, thin, delicate, shaky) |
| inebriated |
| ineffectual(adjective, weak, thin, delicate, shaky) |
| inefficient(adjective, weak, thin, delicate, shaky) |
| inertia(noun, weak, sick, unhealthy) |
| infirmity(noun, weak, sick, unhealthy) |
| insubstantial(adjective, weak, thin, delicate, shaky) |
| insufficient(adjective, weak, thin, delicate, shaky) |
| intoxicated |
| juiced(adjective, drunk, polluted, wasted, loaded) |
| labefaction(noun, weak, sick, unhealthy) |
| lack of energy(noun, weak, sick, unhealthy) |
| laid low(expression, infirm, poorly) |
| lame(adjective, weak, thin, delicate, shaky) |
| languid(adjective, weak, thin, delicate, shaky) |