| not cut out for(expression, inadequate, useless, inept, unable) |
| not equal to(expression, inadequate, useless, inept, unable) |
| out to lunch(expression, inadequate, useless, inept, unable) |
| raw(inadequate, useless, inept, unable, unskilled) |
| unadapted(inadequate, useless, inept, unable, unskilled) |
| unequipped(inadequate, useless, inept, unable, unskilled) |
| unfit(inadequate, useless, inept, unable, unskilled) |
| unfitted(inadequate, useless, inept, unable, unskilled) |
| unhandy(inadequate, useless, inept, unable, unskilled) |
| uninitiated(inadequate, useless, inept, unable, unskilled) |
| unproficient(inadequate, useless, inept, unable, unskilled) |
| unqualified(inadequate, useless, inept, unable, unskilled) |
| unskilled(inadequate, useless, inept, unable, unskillful) |
| unskillful(inadequate, useless, inept, unable, unskilled) |
| untrained(inadequate, useless, inept, unable, unskilled) |
| useless(inadequate, inept, unable, unskilled, unskillful) |
| hopeless(useless, inept, unskilled) |
| unable(inadequate, useless, inept, unskilled, unskillful) |
| unapt(useless, inept, unskilled) |