| homey(adjective, simple, natural, straightforward, naive) |
| ill |
| impotent(weak, poor, insufficient, scarce) |
| inadequate(adjective, poor, short, useless, incompetent) |
| inappreciable(weak, poor, insufficient, scarce) |
| inapt(weak, poor, insufficient, scarce) |
| incapable(adjective, weak, poor, short, inadequate) |
| incommensurate(weak, poor, insufficient, scarce) |
| incompetent(adjective, weak, poor, low, short) |
| inconsequential(light, slight, low, small, insignificant) |
| inconsiderable(light, weak, slight, poor, low) |
| ineffectual(inadequate, useless, inept, unable, unskilled) |
| inefficient(inadequate, useless, inept, unable, unskilled) |
| ineligible(adjective, inadequate, useless, unqualified, inept) |
| inept(inadequate, useless, unable, unskilled, unskillful) |
| inexperienced(adjective, simple, natural, straightforward, inadequate) |
| inexpert(adjective, inadequate, useless, unqualified, inept) |
| insubstantial(weak, poor, insufficient, scarce) |
| insufficient(weak, poor, inadequate, useless, inept) |
| junior(adjective, light, slight, low, small) |