| inapt(adjective, weak, ability, poor, insufficient) |
| insufficient(adjective, weak, poor, inadequate, adequate) |
| unfitted(adjective, weak, inadequate, useless, incompetent) |
| unsatisfactory(adjective, poor, inadequate, unfit, deficient) |
| disqualified(adjective, inadequate, useless, adequate, incompetent) |
| ineligible(adjective, inadequate, useless, adequate, incompetent) |
| inexperienced(adjective, inadequate, useless, adequate, incompetent) |
| bungling(adjective, inadequate, useless, incompetent, unqualified) |
| idiot |
| imbecile |
| not up to(expression, adjective, idiom, weak, inadequate) |
| poor(adjective, weak, low, short, inadequate) |
| unsuitable |
| useless(adjective, inadequate, incompetent, unqualified, inept) |
| clumsy(adjective, weak, inadequate, useless, incompetent) |
| crippled(adjective, hurt, weak, inadequate, inept) |
| deficient(adjective, poor, inadequate, insufficient, scarce) |
| feckless(adjective, dull, weak, little) |
| hopeless(adjective, useless, incompetent, unqualified, inept) |
| naive(adjective, adequate, unqualified, unable, helpless) |