| incapable(adjective, weak, skill, inadequate, adequate) |
| incompetent(adjective, weak, skill, inadequate, unfit) |
| unable(adjective, weak, skill, inadequate, incompetent) |
| unfit(adjective, weak, skill, ready, inadequate) |
| unqualified(adjective, weak, skill, inadequate, incompetent) |
| inadequate(adjective, weak, skill, useless, unfit) |
| ineffective(adjective, weak, inadequate, useless, unfit) |
| ineffectual(skill, inadequate, unfit, inept, powerless) |
| maladjusted(incompetent, unqualified, inept) |
| unequipped(adjective, weak, awkward, inadequate, unfit) |
| amateur(adjective, inadequate, useless, incompetent, unqualified) |
| awkward(incompetent, unqualified, inept, inexpert, untrained) |
| bush league(expression, incompetent, unqualified, inept) |
| butter-fingered(incompetent, unqualified, inept) |
| butterfingers(adjective, weak, awkward, inadequate, unfit) |
| clumsy(weak, skill, inadequate, incompetent, unfit) |
| disqualified(adjective, weak, inadequate, incompetent, unfit) |
| feeble(adjective, weak, inadequate, useless, unfit) |
| helpless(weak, skill, unfit, inept, powerless) |
| hog-tied(weak, skill, unfit, inept, powerless) |