| amateur(inadequate, useless, inept, unable, unskilled) |
| amateurish(inadequate, useless, inept, unable, unskilled) |
| awkward(inadequate, useless, inept, unable, unskilled) |
| bungling(inadequate, useless, inept, unable, unskilled) |
| bush-league(inadequate, useless, inept, unable, unskilled) |
| clumsy(inadequate, useless, inept, unable, unskilled) |
| disqualified(inadequate, useless, inept, unable, unskilled) |
| floundering(inadequate, useless, inept, unable, unskilled) |
| helpless(inadequate, useless, inept, unable, unskilled) |
| inadequate(useless, inept, unable, unskilled, unskillful) |
| incapable(inadequate, useless, inept, unable, unskilled) |
| incompetent(adjective, useless, inept, unable, unskilled) |
| ineffectual(inadequate, useless, inept, unable, unskilled) |
| inefficient(inadequate, useless, inept, unable, unskilled) |
| ineligible(inadequate, useless, inept, unable, unskilled) |
| inept(inadequate, useless, unable, unskilled, unskillful) |
| inexperienced(inadequate, useless, inept, unable, unskilled) |
| inexpert(inadequate, useless, inept, unable, unskilled) |
| insufficient(inadequate, useless, inept, unable, unskilled) |
| maladroit(inadequate, useless, inept, unable, unskilled) |