| unskillful(adjective, ability, inadequate, useless, well) |
| careless(adjective, well, extravagant, incompetent, lavish) |
| extravagant(adjective, well, incompetent, lavish, wasteful) |
| helpless(adjective, weak, thin, delicate, inadequate) |
| inapt(adjective, ability, impotence) |
| slipshod(adjective, well, incompetent, wasteful, unproductive) |
| time-consuming |
| unprofessional(adjective, immoral, unprincipled, unethical, skillfully) |
| unprofitable(adjective, inferior, inadequate, limited, feeble) |
| worthless(adjective, inferior, inadequate, limited, feeble) |
| awkward(adjective, inadequate, useless, incompetent, unqualified) |
| clumsy(adjective, weak, inadequate, useless, incompetent) |
| disorganized(adjective, well, incompetent, inept, wasteful) |
| faulty(adjective, weak, feeble, well, incompetent) |
| improvident(adjective, well, extravagant, incompetent, lavish) |
| insufficient(adjective, weak, thin, delicate, failure) |
| mediocre |
| poor(adjective, weak, thin, delicate, feeble) |
| untrained(adjective, inadequate, useless, well, incompetent) |
| wasteful(adjective, slow, extravagant, incompetent, lavish) |