| maladjusted(incompetent, unqualified, inept, unable, unprepared) |
| no good(expression, incompetent, unqualified, inept, unable) |
| not cut out for(expression, idiom, incompetent, unqualified, inept) |
| not equal to(expression, idiom, incompetent, unqualified, inept) |
| not ready(expression, incompetent, unqualified, inept, unable) |
| not up to(expression, idiom, incompetent, unqualified, inept) |
| oafish |
| unapt(incompetent, unqualified, inept, unable, unprepared) |
| uncoordinated |
| unfit(adjective, ready, incompetent, unqualified, inept) |
| unfitted(incompetent, unqualified, inept) |
| ungraceful |
| unpracticed(incompetent, unqualified, inept, unable, unprepared) |
| unprepared(incompetent, unqualified, inept, unable, ineligible) |
| unproficient(incompetent, unqualified, inept, unable, unprepared) |
| unskilful |
| unskilled(adjective, incompetent, unqualified, inept) |
| untrained(incompetent, unqualified, inept, unable, unprepared) |
| weak(incompetent, unqualified, inept) |
| ad lib |