| unqualified(adjective, weak, inadequate, useless, incompetent) |
| incapable(adjective, weak, inadequate, useless, adequate) |
| unable(adjective, weak, skill, inadequate, useless) |
| unfit(adjective, weak, ready, inadequate, useless) |
| incompetent(adjective, weak, skill, inadequate, useless) |
| inadequate(adjective, weak, useless, unfit, unqualified) |
| ineffective(adjective, weak, inadequate, useless, unfit) |
| ineffectual(skill, inadequate, useless, unfit, inept) |
| maladjusted(incompetent, unqualified, inept) |
| unadapted(inadequate, useless, inept, unable, unskilled) |
| unequipped(adjective, weak, inadequate, useless, unfit) |
| unfitted(adjective, weak, inadequate, useless, incompetent) |
| unskilled(adjective, weak, inadequate, useless, incompetent) |
| amateur(adjective, inadequate, useless, incompetent, unqualified) |
| amateurish(inadequate, useless, inept, unable, unskilled) |
| awkward(inadequate, useless, incompetent, unqualified, inept) |
| bungling(inadequate, useless, incompetent, unqualified, inept) |
| bush-league(adjective, inadequate, useless, unqualified, inept) |
| bush league(expression, incompetent, unqualified, inept) |
| butter-fingered(incompetent, unqualified, inept) |