| infelicitous(adjective, dull, wrong, flat, slow) |
| inexpedient(adjective, wrong, false, awkward, inappropriate) |
| ill-suited(adjective, dull, wrong, ability, flat) |
| inadmissible(adjective, wrong, appropriate, false, disagreement) |
| incompetent(adjective, weak, ability, poor, insufficient) |
| inefficient(adjective, ability, impotence) |
| inexpert(adjective, dull, ability, flat, slow) |
| inopportune(adjective, wrong, false, awkward, inadequate) |
| unqualified(adjective, weak, poor, insufficient, scarce) |
| unskillful(adjective, ability, skilled, inept, clumsy) |
| wrong(adjective, rude, false, awkward, suitable) |
| cumbersome |
| extraneous(adjective, insignificant, unimportant, irregular, trivial) |
| ill-chosen(adjective, unsuitable, unfitting, untimely) |
| incapable(adjective, weak, ability, poor, insufficient) |
| untimely(adjective, dull, wrong, flat, slow) |
| not pertinent |
| undue(adjective, wrong, false, awkward, improper) |
| unmeet(adjective, dull, flat, slow, suitable) |
| unskilled(adjective, dull, ability, flat, slow) |