| unfinished |
| unfit(adjective, weak, skill, ready, inadequate) |
| unfitted(weak, inadequate, useless, unqualified, unable) |
| unhandy(inadequate, useless, incompetent, unqualified, inept) |
| uninitiated(inadequate, useless, inept, unable, unskilled) |
| unprepared(incompetent, unqualified, inept, wasteful, unproductive) |
| unproficient(inadequate, useless, incompetent, unqualified, inept) |
| unqualified(weak, skill, inadequate, useless, inept) |
| unsatisfactory |
| unskilled(weak, skill, inadequate, unqualified, inept) |
| unskillful(inadequate, useless, incompetent, unqualified, inept) |
| untrained(inadequate, useless, incompetent, unqualified, inept) |
| useless(inadequate, incompetent, inept, unable, unskilled) |
| wanting |
| weak(poor, skill, incompetent, unfit, unqualified) |
| blundering(incompetent, unqualified, inept) |
| careless(incompetent, wasteful, unproductive) |
| disorganized(incompetent, wasteful, unproductive) |
| extravagant(incompetent, wasteful, unproductive) |
| feeble(incompetent, wasteful, unproductive) |